Home / 20,005,291.22-30,007,937.19-4,859,120.66

Finding the Fourth Proportional to 20,005,291.22, 30,007,937.19 and 4,859,120.66

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Solution

The fourth proportional to 20,005,291.22, 30,007,937.19 and 4,859,120.66 is: 7,288,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,291.22 : 30,007,937.19 = 4,859,120.66 : x
  2. Step 2: Convert to fraction form
    20,005,291.22/30,007,937.19 = 4,859,120.66/x
  3. Step 3: Cross multiply
    20,005,291.22x = 30,007,937.19 × 4,859,120.66
  4. Step 4: Simplify right side
    20,005,291.22x = 145,812,187,563,911.34
  5. Step 5: Solve for x
    x = 145,812,187,563,911.34/20,005,291.22
  6. Step 6: Final answer
    x = 7,288,681.08

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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.