Home / 25,423,280.40-38,134,920.60-13,479,344.40

Finding the Fourth Proportional to 25,423,280.40, 38,134,920.60 and 13,479,344.40

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Solution

The fourth proportional to 25,423,280.40, 38,134,920.60 and 13,479,344.40 is: 20,219,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423,280.40 : 38,134,920.60 = 13,479,344.40 : x
  2. Step 2: Convert to fraction form
    25,423,280.40/38,134,920.60 = 13,479,344.40/x
  3. Step 3: Cross multiply
    25,423,280.40x = 38,134,920.60 × 13,479,344.40
  4. Step 4: Simplify right side
    25,423,280.40x = 514,033,728,434,054.69
  5. Step 5: Solve for x
    x = 514,033,728,434,054.69/25,423,280.40
  6. Step 6: Final answer
    x = 20,219,016.60

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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.