Home / 21,912,000.30-32,868,000.45-20,736,269.10

Finding the Fourth Proportional to 21,912,000.30, 32,868,000.45 and 20,736,269.10

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Solution

The fourth proportional to 21,912,000.30, 32,868,000.45 and 20,736,269.10 is: 31,104,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912,000.30 : 32,868,000.45 = 20,736,269.10 : x
  2. Step 2: Convert to fraction form
    21,912,000.30/32,868,000.45 = 20,736,269.10/x
  3. Step 3: Cross multiply
    21,912,000.30x = 32,868,000.45 × 20,736,269.10
  4. Step 4: Simplify right side
    21,912,000.30x = 681,559,702,110,121.12
  5. Step 5: Solve for x
    x = 681,559,702,110,121.12/21,912,000.30
  6. Step 6: Final answer
    x = 31,104,403.65

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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.