Home / 13,355,079.30-20,031,452.55-4,379,631.30

Finding the Fourth Proportional to 13,355,079.30, 20,031,452.55 and 4,379,631.30

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Solution

The fourth proportional to 13,355,079.30, 20,031,452.55 and 4,379,631.30 is: 6,569,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,079.30 : 20,031,452.55 = 4,379,631.30 : x
  2. Step 2: Convert to fraction form
    13,355,079.30/20,031,452.55 = 4,379,631.30/x
  3. Step 3: Cross multiply
    13,355,079.30x = 20,031,452.55 × 4,379,631.30
  4. Step 4: Simplify right side
    13,355,079.30x = 87,730,376,572,444.81
  5. Step 5: Solve for x
    x = 87,730,376,572,444.81/13,355,079.30
  6. Step 6: Final answer
    x = 6,569,064.44

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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.