Home / 8,913,019.90-13,369,529.85-8,310,720.10

Finding the Fourth Proportional to 8,913,019.90, 13,369,529.85 and 8,310,720.10

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Solution

The fourth proportional to 8,913,019.90, 13,369,529.85 and 8,310,720.10 is: 12,466,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913,019.90 : 13,369,529.85 = 8,310,720.10 : x
  2. Step 2: Convert to fraction form
    8,913,019.90/13,369,529.85 = 8,310,720.10/x
  3. Step 3: Cross multiply
    8,913,019.90x = 13,369,529.85 × 8,310,720.10
  4. Step 4: Simplify right side
    8,913,019.90x = 111,110,420,451,944.98
  5. Step 5: Solve for x
    x = 111,110,420,451,944.98/8,913,019.90
  6. Step 6: Final answer
    x = 12,466,080.15

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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.