Home / 42,630,000.20-63,945,000.30-15,714,153.80

Finding the Fourth Proportional to 42,630,000.20, 63,945,000.30 and 15,714,153.80

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Solution

The fourth proportional to 42,630,000.20, 63,945,000.30 and 15,714,153.80 is: 23,571,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630,000.20 : 63,945,000.30 = 15,714,153.80 : x
  2. Step 2: Convert to fraction form
    42,630,000.20/63,945,000.30 = 15,714,153.80/x
  3. Step 3: Cross multiply
    42,630,000.20x = 63,945,000.30 × 15,714,153.80
  4. Step 4: Simplify right side
    42,630,000.20x = 1,004,841,569,455,246.12
  5. Step 5: Solve for x
    x = 1,004,841,569,455,246.12/42,630,000.20
  6. Step 6: Final answer
    x = 23,571,230.70

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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.