Home / 8,614,487.30-12,909,549.35-4,777,999.95

Finding the Fourth Proportional to 8,614,487.30, 12,909,549.35 and 4,777,999.95

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Solution

The fourth proportional to 8,614,487.30, 12,909,549.35 and 4,777,999.95 is: 7,160,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614,487.30 : 12,909,549.35 = 4,777,999.95 : x
  2. Step 2: Convert to fraction form
    8,614,487.30/12,909,549.35 = 4,777,999.95/x
  3. Step 3: Cross multiply
    8,614,487.30x = 12,909,549.35 × 4,777,999.95
  4. Step 4: Simplify right side
    8,614,487.30x = 61,681,826,209,178.34
  5. Step 5: Solve for x
    x = 61,681,826,209,178.34/8,614,487.30
  6. Step 6: Final answer
    x = 7,160,243.45

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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.