Home / 20,934,020.28-28,884,712.98-12,230,511.96

Finding the Fourth Proportional to 20,934,020.28, 28,884,712.98 and 12,230,511.96

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Solution

The fourth proportional to 20,934,020.28, 28,884,712.98 and 12,230,511.96 is: 16,875,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,020.28 : 28,884,712.98 = 12,230,511.96 : x
  2. Step 2: Convert to fraction form
    20,934,020.28/28,884,712.98 = 12,230,511.96/x
  3. Step 3: Cross multiply
    20,934,020.28x = 28,884,712.98 × 12,230,511.96
  4. Step 4: Simplify right side
    20,934,020.28x = 353,274,827,563,057.25
  5. Step 5: Solve for x
    x = 353,274,827,563,057.25/20,934,020.28
  6. Step 6: Final answer
    x = 16,875,632.24

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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.