Home / 13,362,835.20-20,044,908.90-6,985,543.20

Finding the Fourth Proportional to 13,362,835.20, 20,044,908.90 and 6,985,543.20

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Solution

The fourth proportional to 13,362,835.20, 20,044,908.90 and 6,985,543.20 is: 10,478,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,835.20 : 20,044,908.90 = 6,985,543.20 : x
  2. Step 2: Convert to fraction form
    13,362,835.20/20,044,908.90 = 6,985,543.20/x
  3. Step 3: Cross multiply
    13,362,835.20x = 20,044,908.90 × 6,985,543.20
  4. Step 4: Simplify right side
    13,362,835.20x = 140,024,577,061,014.47
  5. Step 5: Solve for x
    x = 140,024,577,061,014.47/13,362,835.20
  6. Step 6: Final answer
    x = 10,478,657.78

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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.