Home / 8,702,547.89-12,006,897.10-5,216,614.76

Finding the Fourth Proportional to 8,702,547.89, 12,006,897.10 and 5,216,614.76

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Solution

The fourth proportional to 8,702,547.89, 12,006,897.10 and 5,216,614.76 is: 7,197,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,547.89 : 12,006,897.10 = 5,216,614.76 : x
  2. Step 2: Convert to fraction form
    8,702,547.89/12,006,897.10 = 5,216,614.76/x
  3. Step 3: Cross multiply
    8,702,547.89x = 12,006,897.10 × 5,216,614.76
  4. Step 4: Simplify right side
    8,702,547.89x = 62,635,356,560,585.17
  5. Step 5: Solve for x
    x = 62,635,356,560,585.17/8,702,547.89
  6. Step 6: Final answer
    x = 7,197,358.45

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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.