Home / 15,173,563.95-20,934,737.76-9,287,061.51

Finding the Fourth Proportional to 15,173,563.95, 20,934,737.76 and 9,287,061.51

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Solution

The fourth proportional to 15,173,563.95, 20,934,737.76 and 9,287,061.51 is: 12,813,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,563.95 : 20,934,737.76 = 9,287,061.51 : x
  2. Step 2: Convert to fraction form
    15,173,563.95/20,934,737.76 = 9,287,061.51/x
  3. Step 3: Cross multiply
    15,173,563.95x = 20,934,737.76 × 9,287,061.51
  4. Step 4: Simplify right side
    15,173,563.95x = 194,422,197,272,839.62
  5. Step 5: Solve for x
    x = 194,422,197,272,839.62/15,173,563.95
  6. Step 6: Final answer
    x = 12,813,218.96

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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.