Home / 51,842,318.40-71,541,013.32-28,636,945.92

Finding the Fourth Proportional to 51,842,318.40, 71,541,013.32 and 28,636,945.92

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Solution

The fourth proportional to 51,842,318.40, 71,541,013.32 and 28,636,945.92 is: 39,518,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,842,318.40 : 71,541,013.32 = 28,636,945.92 : x
  2. Step 2: Convert to fraction form
    51,842,318.40/71,541,013.32 = 28,636,945.92/x
  3. Step 3: Cross multiply
    51,842,318.40x = 71,541,013.32 × 28,636,945.92
  4. Step 4: Simplify right side
    51,842,318.40x = 2,048,716,129,506,839.50
  5. Step 5: Solve for x
    x = 2,048,716,129,506,839.50/51,842,318.40
  6. Step 6: Final answer
    x = 39,518,219.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.