Home / 9,771,013.10-14,656,519.65-8,778,989.90

Finding the Fourth Proportional to 9,771,013.10, 14,656,519.65 and 8,778,989.90

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Solution

The fourth proportional to 9,771,013.10, 14,656,519.65 and 8,778,989.90 is: 13,168,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,013.10 : 14,656,519.65 = 8,778,989.90 : x
  2. Step 2: Convert to fraction form
    9,771,013.10/14,656,519.65 = 8,778,989.90/x
  3. Step 3: Cross multiply
    9,771,013.10x = 14,656,519.65 × 8,778,989.90
  4. Step 4: Simplify right side
    9,771,013.10x = 128,669,437,976,501.55
  5. Step 5: Solve for x
    x = 128,669,437,976,501.55/9,771,013.10
  6. Step 6: Final answer
    x = 13,168,484.85

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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.