Home / 8,663,005.17-12,990,133.76-5,069,851.65

Finding the Fourth Proportional to 8,663,005.17, 12,990,133.76 and 5,069,851.65

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Solution

The fourth proportional to 8,663,005.17, 12,990,133.76 and 5,069,851.65 is: 7,602,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,005.17 : 12,990,133.76 = 5,069,851.65 : x
  2. Step 2: Convert to fraction form
    8,663,005.17/12,990,133.76 = 5,069,851.65/x
  3. Step 3: Cross multiply
    8,663,005.17x = 12,990,133.76 × 5,069,851.65
  4. Step 4: Simplify right side
    8,663,005.17x = 65,858,051,051,507.45
  5. Step 5: Solve for x
    x = 65,858,051,051,507.45/8,663,005.17
  6. Step 6: Final answer
    x = 7,602,217.68

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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.