Home / 8,696,089.11-12,985,573.47-7,101,814.71

Finding the Fourth Proportional to 8,696,089.11, 12,985,573.47 and 7,101,814.71

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Solution

The fourth proportional to 8,696,089.11, 12,985,573.47 and 7,101,814.71 is: 10,604,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,089.11 : 12,985,573.47 = 7,101,814.71 : x
  2. Step 2: Convert to fraction form
    8,696,089.11/12,985,573.47 = 7,101,814.71/x
  3. Step 3: Cross multiply
    8,696,089.11x = 12,985,573.47 × 7,101,814.71
  4. Step 4: Simplify right side
    8,696,089.11x = 92,221,136,687,031.75
  5. Step 5: Solve for x
    x = 92,221,136,687,031.75/8,696,089.11
  6. Step 6: Final answer
    x = 10,604,897.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.