Home / 9,123,887.12-12,570,315.62-7,489,707.26

Finding the Fourth Proportional to 9,123,887.12, 12,570,315.62 and 7,489,707.26

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Solution

The fourth proportional to 9,123,887.12, 12,570,315.62 and 7,489,707.26 is: 10,318,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123,887.12 : 12,570,315.62 = 7,489,707.26 : x
  2. Step 2: Convert to fraction form
    9,123,887.12/12,570,315.62 = 7,489,707.26/x
  3. Step 3: Cross multiply
    9,123,887.12x = 12,570,315.62 × 7,489,707.26
  4. Step 4: Simplify right side
    9,123,887.12x = 94,147,984,059,305.28
  5. Step 5: Solve for x
    x = 94,147,984,059,305.28/9,123,887.12
  6. Step 6: Final answer
    x = 10,318,845.78

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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.