Home / 9,870,784.13-13,617,091.91-6,387,248.72

Finding the Fourth Proportional to 9,870,784.13, 13,617,091.91 and 6,387,248.72

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Solution

The fourth proportional to 9,870,784.13, 13,617,091.91 and 6,387,248.72 is: 8,811,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,784.13 : 13,617,091.91 = 6,387,248.72 : x
  2. Step 2: Convert to fraction form
    9,870,784.13/13,617,091.91 = 6,387,248.72/x
  3. Step 3: Cross multiply
    9,870,784.13x = 13,617,091.91 × 6,387,248.72
  4. Step 4: Simplify right side
    9,870,784.13x = 86,975,752,922,280.70
  5. Step 5: Solve for x
    x = 86,975,752,922,280.70/9,870,784.13
  6. Step 6: Final answer
    x = 8,811,432.99

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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.