Home / 8,909,066.16-12,288,159.96-8,176,382.08

Finding the Fourth Proportional to 8,909,066.16, 12,288,159.96 and 8,176,382.08

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Solution

The fourth proportional to 8,909,066.16, 12,288,159.96 and 8,176,382.08 is: 11,277,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,066.16 : 12,288,159.96 = 8,176,382.08 : x
  2. Step 2: Convert to fraction form
    8,909,066.16/12,288,159.96 = 8,176,382.08/x
  3. Step 3: Cross multiply
    8,909,066.16x = 12,288,159.96 × 8,176,382.08
  4. Step 4: Simplify right side
    8,909,066.16x = 100,472,690,893,117.53
  5. Step 5: Solve for x
    x = 100,472,690,893,117.53/8,909,066.16
  6. Step 6: Final answer
    x = 11,277,578.27

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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.