Home / 39,012,324.90-58,518,487.35-36,620,840.40

Finding the Fourth Proportional to 39,012,324.90, 58,518,487.35 and 36,620,840.40

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Solution

The fourth proportional to 39,012,324.90, 58,518,487.35 and 36,620,840.40 is: 54,931,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012,324.90 : 58,518,487.35 = 36,620,840.40 : x
  2. Step 2: Convert to fraction form
    39,012,324.90/58,518,487.35 = 36,620,840.40/x
  3. Step 3: Cross multiply
    39,012,324.90x = 58,518,487.35 × 36,620,840.40
  4. Step 4: Simplify right side
    39,012,324.90x = 2,142,996,185,693,769
  5. Step 5: Solve for x
    x = 2,142,996,185,693,769/39,012,324.90
  6. Step 6: Final answer
    x = 54,931,260.60

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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.