Home / 11,875,151.76-16,387,641-6,442,527.12

Finding the Fourth Proportional to 11,875,151.76, 16,387,641 and 6,442,527.12

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Solution

The fourth proportional to 11,875,151.76, 16,387,641 and 6,442,527.12 is: 8,890,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875,151.76 : 16,387,641 = 6,442,527.12 : x
  2. Step 2: Convert to fraction form
    11,875,151.76/16,387,641 = 6,442,527.12/x
  3. Step 3: Cross multiply
    11,875,151.76x = 16,387,641 × 6,442,527.12
  4. Step 4: Simplify right side
    11,875,151.76x = 105,577,821,575,323.92
  5. Step 5: Solve for x
    x = 105,577,821,575,323.92/11,875,151.76
  6. Step 6: Final answer
    x = 8,890,650.30

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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.