Home / 12,704,988.72-17,532,980.96-6,903,801.72

Finding the Fourth Proportional to 12,704,988.72, 17,532,980.96 and 6,903,801.72

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Solution

The fourth proportional to 12,704,988.72, 17,532,980.96 and 6,903,801.72 is: 9,527,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,988.72 : 17,532,980.96 = 6,903,801.72 : x
  2. Step 2: Convert to fraction form
    12,704,988.72/17,532,980.96 = 6,903,801.72/x
  3. Step 3: Cross multiply
    12,704,988.72x = 17,532,980.96 × 6,903,801.72
  4. Step 4: Simplify right side
    12,704,988.72x = 121,044,224,108,375.25
  5. Step 5: Solve for x
    x = 121,044,224,108,375.25/12,704,988.72
  6. Step 6: Final answer
    x = 9,527,298.83

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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.