Home / 13,742,021.40-20,613,032.10-8,699,026.20

Finding the Fourth Proportional to 13,742,021.40, 20,613,032.10 and 8,699,026.20

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Solution

The fourth proportional to 13,742,021.40, 20,613,032.10 and 8,699,026.20 is: 13,048,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,021.40 : 20,613,032.10 = 8,699,026.20 : x
  2. Step 2: Convert to fraction form
    13,742,021.40/20,613,032.10 = 8,699,026.20/x
  3. Step 3: Cross multiply
    13,742,021.40x = 20,613,032.10 × 8,699,026.20
  4. Step 4: Simplify right side
    13,742,021.40x = 179,313,306,299,341.03
  5. Step 5: Solve for x
    x = 179,313,306,299,341.03/13,742,021.40
  6. Step 6: Final answer
    x = 13,048,539.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.