Home / 12,953,359.98-17,868,143.14-8,369,681.36

Finding the Fourth Proportional to 12,953,359.98, 17,868,143.14 and 8,369,681.36

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Solution

The fourth proportional to 12,953,359.98, 17,868,143.14 and 8,369,681.36 is: 11,545,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,359.98 : 17,868,143.14 = 8,369,681.36 : x
  2. Step 2: Convert to fraction form
    12,953,359.98/17,868,143.14 = 8,369,681.36/x
  3. Step 3: Cross multiply
    12,953,359.98x = 17,868,143.14 × 8,369,681.36
  4. Step 4: Simplify right side
    12,953,359.98x = 149,550,664,466,404.94
  5. Step 5: Solve for x
    x = 149,550,664,466,404.94/12,953,359.98
  6. Step 6: Final answer
    x = 11,545,318.33

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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.