Home / 18,761,250.98-28,146,728.27-10,986,730.45

Finding the Fourth Proportional to 18,761,250.98, 28,146,728.27 and 10,986,730.45

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Solution

The fourth proportional to 18,761,250.98, 28,146,728.27 and 10,986,730.45 is: 16,482,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,250.98 : 28,146,728.27 = 10,986,730.45 : x
  2. Step 2: Convert to fraction form
    18,761,250.98/28,146,728.27 = 10,986,730.45/x
  3. Step 3: Cross multiply
    18,761,250.98x = 28,146,728.27 × 10,986,730.45
  4. Step 4: Simplify right side
    18,761,250.98x = 309,240,516,508,984.81
  5. Step 5: Solve for x
    x = 309,240,516,508,984.81/18,761,250.98
  6. Step 6: Final answer
    x = 16,482,936.92

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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.