Home / 20,178,346.05-30,267,519.08-14,013,630.45

Finding the Fourth Proportional to 20,178,346.05, 30,267,519.08 and 14,013,630.45

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Solution

The fourth proportional to 20,178,346.05, 30,267,519.08 and 14,013,630.45 is: 21,020,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,346.05 : 30,267,519.08 = 14,013,630.45 : x
  2. Step 2: Convert to fraction form
    20,178,346.05/30,267,519.08 = 14,013,630.45/x
  3. Step 3: Cross multiply
    20,178,346.05x = 30,267,519.08 × 14,013,630.45
  4. Step 4: Simplify right side
    20,178,346.05x = 424,157,826,955,375.81
  5. Step 5: Solve for x
    x = 424,157,826,955,375.81/20,178,346.05
  6. Step 6: Final answer
    x = 21,020,445.68

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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.