Home / 7,387,687.16-11,088,342.75-3,746,972.21

Finding the Fourth Proportional to 7,387,687.16, 11,088,342.75 and 3,746,972.21

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Solution

The fourth proportional to 7,387,687.16, 11,088,342.75 and 3,746,972.21 is: 5,623,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,687.16 : 11,088,342.75 = 3,746,972.21 : x
  2. Step 2: Convert to fraction form
    7,387,687.16/11,088,342.75 = 3,746,972.21/x
  3. Step 3: Cross multiply
    7,387,687.16x = 11,088,342.75 × 3,746,972.21
  4. Step 4: Simplify right side
    7,387,687.16x = 41,547,712,120,470.11
  5. Step 5: Solve for x
    x = 41,547,712,120,470.11/7,387,687.16
  6. Step 6: Final answer
    x = 5,623,913.31

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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.