Home / 9,219,781.80-13,829,672.70-4,426,315.20

Finding the Fourth Proportional to 9,219,781.80, 13,829,672.70 and 4,426,315.20

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Solution

The fourth proportional to 9,219,781.80, 13,829,672.70 and 4,426,315.20 is: 6,639,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,781.80 : 13,829,672.70 = 4,426,315.20 : x
  2. Step 2: Convert to fraction form
    9,219,781.80/13,829,672.70 = 4,426,315.20/x
  3. Step 3: Cross multiply
    9,219,781.80x = 13,829,672.70 × 4,426,315.20
  4. Step 4: Simplify right side
    9,219,781.80x = 61,214,490,483,035.04
  5. Step 5: Solve for x
    x = 61,214,490,483,035.04/9,219,781.80
  6. Step 6: Final answer
    x = 6,639,472.80

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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.