Home / 30,730,586.04-42,408,121.68-16,979,452.20

Finding the Fourth Proportional to 30,730,586.04, 42,408,121.68 and 16,979,452.20

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Solution

The fourth proportional to 30,730,586.04, 42,408,121.68 and 16,979,452.20 is: 23,431,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,586.04 : 42,408,121.68 = 16,979,452.20 : x
  2. Step 2: Convert to fraction form
    30,730,586.04/42,408,121.68 = 16,979,452.20/x
  3. Step 3: Cross multiply
    30,730,586.04x = 42,408,121.68 × 16,979,452.20
  4. Step 4: Simplify right side
    30,730,586.04x = 720,066,674,957,343.62
  5. Step 5: Solve for x
    x = 720,066,674,957,343.62/30,730,586.04
  6. Step 6: Final answer
    x = 23,431,595.94

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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.