Home / 8,721,632.70-12,035,731.68-4,854,154.86

Finding the Fourth Proportional to 8,721,632.70, 12,035,731.68 and 4,854,154.86

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Solution

The fourth proportional to 8,721,632.70, 12,035,731.68 and 4,854,154.86 is: 6,698,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,632.70 : 12,035,731.68 = 4,854,154.86 : x
  2. Step 2: Convert to fraction form
    8,721,632.70/12,035,731.68 = 4,854,154.86/x
  3. Step 3: Cross multiply
    8,721,632.70x = 12,035,731.68 × 4,854,154.86
  4. Step 4: Simplify right side
    8,721,632.70x = 58,423,305,428,127.97
  5. Step 5: Solve for x
    x = 58,423,305,428,127.97/8,721,632.70
  6. Step 6: Final answer
    x = 6,698,666.11

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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.