Home / 28,252,347.19-42,356,965.53-12,888,892.55

Finding the Fourth Proportional to 28,252,347.19, 42,356,965.53 and 12,888,892.55

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Solution

The fourth proportional to 28,252,347.19, 42,356,965.53 and 12,888,892.55 is: 19,323,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252,347.19 : 42,356,965.53 = 12,888,892.55 : x
  2. Step 2: Convert to fraction form
    28,252,347.19/42,356,965.53 = 12,888,892.55/x
  3. Step 3: Cross multiply
    28,252,347.19x = 42,356,965.53 × 12,888,892.55
  4. Step 4: Simplify right side
    28,252,347.19x = 545,934,377,460,223.88
  5. Step 5: Solve for x
    x = 545,934,377,460,223.88/28,252,347.19
  6. Step 6: Final answer
    x = 19,323,505.19

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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.