Home / 18,591,323.40-27,886,985.10-6,456,753.90

Finding the Fourth Proportional to 18,591,323.40, 27,886,985.10 and 6,456,753.90

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Solution

The fourth proportional to 18,591,323.40, 27,886,985.10 and 6,456,753.90 is: 9,685,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,323.40 : 27,886,985.10 = 6,456,753.90 : x
  2. Step 2: Convert to fraction form
    18,591,323.40/27,886,985.10 = 6,456,753.90/x
  3. Step 3: Cross multiply
    18,591,323.40x = 27,886,985.10 × 6,456,753.90
  4. Step 4: Simplify right side
    18,591,323.40x = 180,059,399,803,666.91
  5. Step 5: Solve for x
    x = 180,059,399,803,666.91/18,591,323.40
  6. Step 6: Final answer
    x = 9,685,130.85

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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.