Home / 12,997,778.64-17,937,124.20-7,488,114

Finding the Fourth Proportional to 12,997,778.64, 17,937,124.20 and 7,488,114

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Solution

The fourth proportional to 12,997,778.64, 17,937,124.20 and 7,488,114 is: 10,333,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,778.64 : 17,937,124.20 = 7,488,114 : x
  2. Step 2: Convert to fraction form
    12,997,778.64/17,937,124.20 = 7,488,114/x
  3. Step 3: Cross multiply
    12,997,778.64x = 17,937,124.20 × 7,488,114
  4. Step 4: Simplify right side
    12,997,778.64x = 134,315,230,841,758.80
  5. Step 5: Solve for x
    x = 134,315,230,841,758.80/12,997,778.64
  6. Step 6: Final answer
    x = 10,333,706.59

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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.