Home / 12,742,403.60-19,113,605.40-3,766,955.60

Finding the Fourth Proportional to 12,742,403.60, 19,113,605.40 and 3,766,955.60

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Solution

The fourth proportional to 12,742,403.60, 19,113,605.40 and 3,766,955.60 is: 5,650,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,403.60 : 19,113,605.40 = 3,766,955.60 : x
  2. Step 2: Convert to fraction form
    12,742,403.60/19,113,605.40 = 3,766,955.60/x
  3. Step 3: Cross multiply
    12,742,403.60x = 19,113,605.40 × 3,766,955.60
  4. Step 4: Simplify right side
    12,742,403.60x = 72,000,102,897,720.23
  5. Step 5: Solve for x
    x = 72,000,102,897,720.23/12,742,403.60
  6. Step 6: Final answer
    x = 5,650,433.40

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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.