Home / 15,134,144.04-20,885,559.84-8,259,068.94

Finding the Fourth Proportional to 15,134,144.04, 20,885,559.84 and 8,259,068.94

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Solution

The fourth proportional to 15,134,144.04, 20,885,559.84 and 8,259,068.94 is: 11,397,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,144.04 : 20,885,559.84 = 8,259,068.94 : x
  2. Step 2: Convert to fraction form
    15,134,144.04/20,885,559.84 = 8,259,068.94/x
  3. Step 3: Cross multiply
    15,134,144.04x = 20,885,559.84 × 8,259,068.94
  4. Step 4: Simplify right side
    15,134,144.04x = 172,495,278,569,055.38
  5. Step 5: Solve for x
    x = 172,495,278,569,055.38/15,134,144.04
  6. Step 6: Final answer
    x = 11,397,755.84

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1.5x scale

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.