Home / 8,940,061.40-13,418,752.62-8,454,547.40

Finding the Fourth Proportional to 8,940,061.40, 13,418,752.62 and 8,454,547.40

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Solution

The fourth proportional to 8,940,061.40, 13,418,752.62 and 8,454,547.40 is: 12,690,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,061.40 : 13,418,752.62 = 8,454,547.40 : x
  2. Step 2: Convert to fraction form
    8,940,061.40/13,418,752.62 = 8,454,547.40/x
  3. Step 3: Cross multiply
    8,940,061.40x = 13,418,752.62 × 8,454,547.40
  4. Step 4: Simplify right side
    8,940,061.40x = 113,449,480,074,664.19
  5. Step 5: Solve for x
    x = 113,449,480,074,664.19/8,940,061.40
  6. Step 6: Final answer
    x = 12,690,011.29

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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.