Home / 28,136,480.85-42,182,673.08-11,109,898.53

Finding the Fourth Proportional to 28,136,480.85, 42,182,673.08 and 11,109,898.53

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Solution

The fourth proportional to 28,136,480.85, 42,182,673.08 and 11,109,898.53 is: 16,656,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,480.85 : 42,182,673.08 = 11,109,898.53 : x
  2. Step 2: Convert to fraction form
    28,136,480.85/42,182,673.08 = 11,109,898.53/x
  3. Step 3: Cross multiply
    28,136,480.85x = 42,182,673.08 × 11,109,898.53
  4. Step 4: Simplify right side
    28,136,480.85x = 468,645,217,587,413.06
  5. Step 5: Solve for x
    x = 468,645,217,587,413.06/28,136,480.85
  6. Step 6: Final answer
    x = 16,656,141.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.