Home / 9,268,076.59-12,790,700.95-5,139,402.40

Finding the Fourth Proportional to 9,268,076.59, 12,790,700.95 and 5,139,402.40

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Solution

The fourth proportional to 9,268,076.59, 12,790,700.95 and 5,139,402.40 is: 7,092,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,076.59 : 12,790,700.95 = 5,139,402.40 : x
  2. Step 2: Convert to fraction form
    9,268,076.59/12,790,700.95 = 5,139,402.40/x
  3. Step 3: Cross multiply
    9,268,076.59x = 12,790,700.95 × 5,139,402.40
  4. Step 4: Simplify right side
    9,268,076.59x = 65,736,559,160,112.28
  5. Step 5: Solve for x
    x = 65,736,559,160,112.28/9,268,076.59
  6. Step 6: Final answer
    x = 7,092,794.12

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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.