Home / 8,989,941.90-13,484,912.85-8,840,642.70

Finding the Fourth Proportional to 8,989,941.90, 13,484,912.85 and 8,840,642.70

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Solution

The fourth proportional to 8,989,941.90, 13,484,912.85 and 8,840,642.70 is: 13,260,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,941.90 : 13,484,912.85 = 8,840,642.70 : x
  2. Step 2: Convert to fraction form
    8,989,941.90/13,484,912.85 = 8,840,642.70/x
  3. Step 3: Cross multiply
    8,989,941.90x = 13,484,912.85 × 8,840,642.70
  4. Step 4: Simplify right side
    8,989,941.90x = 119,215,296,347,488.69
  5. Step 5: Solve for x
    x = 119,215,296,347,488.69/8,989,941.90
  6. Step 6: Final answer
    x = 13,260,964.05

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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.