Home / 28,517,059.28-39,353,552.36-15,464,314.72

Finding the Fourth Proportional to 28,517,059.28, 39,353,552.36 and 15,464,314.72

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Solution

The fourth proportional to 28,517,059.28, 39,353,552.36 and 15,464,314.72 is: 21,340,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,059.28 : 39,353,552.36 = 15,464,314.72 : x
  2. Step 2: Convert to fraction form
    28,517,059.28/39,353,552.36 = 15,464,314.72/x
  3. Step 3: Cross multiply
    28,517,059.28x = 39,353,552.36 × 15,464,314.72
  4. Step 4: Simplify right side
    28,517,059.28x = 608,575,719,045,038.75
  5. Step 5: Solve for x
    x = 608,575,719,045,038.75/28,517,059.28
  6. Step 6: Final answer
    x = 21,340,760.04

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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.