Home / 39,220,978.40-58,840,915.76-12,294,634.40

Finding the Fourth Proportional to 39,220,978.40, 58,840,915.76 and 12,294,634.40

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Solution

The fourth proportional to 39,220,978.40, 58,840,915.76 and 12,294,634.40 is: 18,444,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220,978.40 : 58,840,915.76 = 12,294,634.40 : x
  2. Step 2: Convert to fraction form
    39,220,978.40/58,840,915.76 = 12,294,634.40/x
  3. Step 3: Cross multiply
    39,220,978.40x = 58,840,915.76 × 12,294,634.40
  4. Step 4: Simplify right side
    39,220,978.40x = 723,427,547,030,398.12
  5. Step 5: Solve for x
    x = 723,427,547,030,398.12/39,220,978.40
  6. Step 6: Final answer
    x = 18,444,913.32

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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.