Home / 10,545,388.74-15,812,456.76-5,000,097.18

Finding the Fourth Proportional to 10,545,388.74, 15,812,456.76 and 5,000,097.18

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Solution

The fourth proportional to 10,545,388.74, 15,812,456.76 and 5,000,097.18 is: 7,497,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545,388.74 : 15,812,456.76 = 5,000,097.18 : x
  2. Step 2: Convert to fraction form
    10,545,388.74/15,812,456.76 = 5,000,097.18/x
  3. Step 3: Cross multiply
    10,545,388.74x = 15,812,456.76 × 5,000,097.18
  4. Step 4: Simplify right side
    10,545,388.74x = 79,063,820,454,547.94
  5. Step 5: Solve for x
    x = 79,063,820,454,547.94/10,545,388.74
  6. Step 6: Final answer
    x = 7,497,478.04

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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.