Home / 20,995,711.30-31,493,566.95-5,849,642.80

Finding the Fourth Proportional to 20,995,711.30, 31,493,566.95 and 5,849,642.80

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Solution

The fourth proportional to 20,995,711.30, 31,493,566.95 and 5,849,642.80 is: 8,774,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,711.30 : 31,493,566.95 = 5,849,642.80 : x
  2. Step 2: Convert to fraction form
    20,995,711.30/31,493,566.95 = 5,849,642.80/x
  3. Step 3: Cross multiply
    20,995,711.30x = 31,493,566.95 × 5,849,642.80
  4. Step 4: Simplify right side
    20,995,711.30x = 184,226,117,155,385.44
  5. Step 5: Solve for x
    x = 184,226,117,155,385.44/20,995,711.30
  6. Step 6: Final answer
    x = 8,774,464.20

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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.