Home / 10,121,440.60-15,165,364.74-7,123,326.04

Finding the Fourth Proportional to 10,121,440.60, 15,165,364.74 and 7,123,326.04

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Solution

The fourth proportional to 10,121,440.60, 15,165,364.74 and 7,123,326.04 is: 10,673,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,440.60 : 15,165,364.74 = 7,123,326.04 : x
  2. Step 2: Convert to fraction form
    10,121,440.60/15,165,364.74 = 7,123,326.04/x
  3. Step 3: Cross multiply
    10,121,440.60x = 15,165,364.74 × 7,123,326.04
  4. Step 4: Simplify right side
    10,121,440.60x = 108,027,837,558,539.83
  5. Step 5: Solve for x
    x = 108,027,837,558,539.83/10,121,440.60
  6. Step 6: Final answer
    x = 10,673,168.16

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1.5x scale

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.