Home / 18,218,337.50-25,141,303.94-9,958,432.97

Finding the Fourth Proportional to 18,218,337.50, 25,141,303.94 and 9,958,432.97

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Solution

The fourth proportional to 18,218,337.50, 25,141,303.94 and 9,958,432.97 is: 13,742,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,337.50 : 25,141,303.94 = 9,958,432.97 : x
  2. Step 2: Convert to fraction form
    18,218,337.50/25,141,303.94 = 9,958,432.97/x
  3. Step 3: Cross multiply
    18,218,337.50x = 25,141,303.94 × 9,958,432.97
  4. Step 4: Simplify right side
    18,218,337.50x = 250,367,990,064,886.94
  5. Step 5: Solve for x
    x = 250,367,990,064,886.94/18,218,337.50
  6. Step 6: Final answer
    x = 13,742,636.51

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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.