Home / 12,892,897.46-17,791,827.33-7,091,678.90

Finding the Fourth Proportional to 12,892,897.46, 17,791,827.33 and 7,091,678.90

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Solution

The fourth proportional to 12,892,897.46, 17,791,827.33 and 7,091,678.90 is: 9,786,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,897.46 : 17,791,827.33 = 7,091,678.90 : x
  2. Step 2: Convert to fraction form
    12,892,897.46/17,791,827.33 = 7,091,678.90/x
  3. Step 3: Cross multiply
    12,892,897.46x = 17,791,827.33 × 7,091,678.90
  4. Step 4: Simplify right side
    12,892,897.46x = 126,173,926,468,604.33
  5. Step 5: Solve for x
    x = 126,173,926,468,604.33/12,892,897.46
  6. Step 6: Final answer
    x = 9,786,312.72

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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.