Home / 20,736,164.10-31,104,246.15-18,845,040.90

Finding the Fourth Proportional to 20,736,164.10, 31,104,246.15 and 18,845,040.90

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Solution

The fourth proportional to 20,736,164.10, 31,104,246.15 and 18,845,040.90 is: 28,267,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,164.10 : 31,104,246.15 = 18,845,040.90 : x
  2. Step 2: Convert to fraction form
    20,736,164.10/31,104,246.15 = 18,845,040.90/x
  3. Step 3: Cross multiply
    20,736,164.10x = 31,104,246.15 × 18,845,040.90
  4. Step 4: Simplify right side
    20,736,164.10x = 586,160,790,860,417.50
  5. Step 5: Solve for x
    x = 586,160,790,860,417.50/20,736,164.10
  6. Step 6: Final answer
    x = 28,267,561.35

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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.