Home / 28,392,344.40-42,588,516.60-13,275,800.40

Finding the Fourth Proportional to 28,392,344.40, 42,588,516.60 and 13,275,800.40

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Solution

The fourth proportional to 28,392,344.40, 42,588,516.60 and 13,275,800.40 is: 19,913,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,344.40 : 42,588,516.60 = 13,275,800.40 : x
  2. Step 2: Convert to fraction form
    28,392,344.40/42,588,516.60 = 13,275,800.40/x
  3. Step 3: Cross multiply
    28,392,344.40x = 42,588,516.60 × 13,275,800.40
  4. Step 4: Simplify right side
    28,392,344.40x = 565,396,645,713,686.62
  5. Step 5: Solve for x
    x = 565,396,645,713,686.62/28,392,344.40
  6. Step 6: Final answer
    x = 19,913,700.60

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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.