Home / 14,194,007.80-21,291,011.70-12,346,430.20

Finding the Fourth Proportional to 14,194,007.80, 21,291,011.70 and 12,346,430.20

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Solution

The fourth proportional to 14,194,007.80, 21,291,011.70 and 12,346,430.20 is: 18,519,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194,007.80 : 21,291,011.70 = 12,346,430.20 : x
  2. Step 2: Convert to fraction form
    14,194,007.80/21,291,011.70 = 12,346,430.20/x
  3. Step 3: Cross multiply
    14,194,007.80x = 21,291,011.70 × 12,346,430.20
  4. Step 4: Simplify right side
    14,194,007.80x = 262,867,989,841,433.31
  5. Step 5: Solve for x
    x = 262,867,989,841,433.31/14,194,007.80
  6. Step 6: Final answer
    x = 18,519,645.30

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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.