Home / 42,612,327.60-63,918,491.40-18,724,455.60

Finding the Fourth Proportional to 42,612,327.60, 63,918,491.40 and 18,724,455.60

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Solution

The fourth proportional to 42,612,327.60, 63,918,491.40 and 18,724,455.60 is: 28,086,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612,327.60 : 63,918,491.40 = 18,724,455.60 : x
  2. Step 2: Convert to fraction form
    42,612,327.60/63,918,491.40 = 18,724,455.60/x
  3. Step 3: Cross multiply
    42,612,327.60x = 63,918,491.40 × 18,724,455.60
  4. Step 4: Simplify right side
    42,612,327.60x = 1,196,838,954,238,282
  5. Step 5: Solve for x
    x = 1,196,838,954,238,282/42,612,327.60
  6. Step 6: Final answer
    x = 28,086,683.40

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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.