Home / 12,953,357.92-17,868,140.29-8,369,679.29

Finding the Fourth Proportional to 12,953,357.92, 17,868,140.29 and 8,369,679.29

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Solution

The fourth proportional to 12,953,357.92, 17,868,140.29 and 8,369,679.29 is: 11,545,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,357.92 : 17,868,140.29 = 8,369,679.29 : x
  2. Step 2: Convert to fraction form
    12,953,357.92/17,868,140.29 = 8,369,679.29/x
  3. Step 3: Cross multiply
    12,953,357.92x = 17,868,140.29 × 8,369,679.29
  4. Step 4: Simplify right side
    12,953,357.92x = 149,550,603,759,773.78
  5. Step 5: Solve for x
    x = 149,550,603,759,773.78/12,953,357.92
  6. Step 6: Final answer
    x = 11,545,315.49

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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.