Home / 9,123,457.78-12,589,017.40-5,541,199.47

Finding the Fourth Proportional to 9,123,457.78, 12,589,017.40 and 5,541,199.47

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Solution

The fourth proportional to 9,123,457.78, 12,589,017.40 and 5,541,199.47 is: 7,646,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123,457.78 : 12,589,017.40 = 5,541,199.47 : x
  2. Step 2: Convert to fraction form
    9,123,457.78/12,589,017.40 = 5,541,199.47/x
  3. Step 3: Cross multiply
    9,123,457.78x = 12,589,017.40 × 5,541,199.47
  4. Step 4: Simplify right side
    9,123,457.78x = 69,758,256,551,627.27
  5. Step 5: Solve for x
    x = 69,758,256,551,627.27/9,123,457.78
  6. Step 6: Final answer
    x = 7,646,032.70

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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.