Home / 12,948,817.20-19,423,225.80-4,426,321.20

Finding the Fourth Proportional to 12,948,817.20, 19,423,225.80 and 4,426,321.20

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Solution

The fourth proportional to 12,948,817.20, 19,423,225.80 and 4,426,321.20 is: 6,639,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,817.20 : 19,423,225.80 = 4,426,321.20 : x
  2. Step 2: Convert to fraction form
    12,948,817.20/19,423,225.80 = 4,426,321.20/x
  3. Step 3: Cross multiply
    12,948,817.20x = 19,423,225.80 × 4,426,321.20
  4. Step 4: Simplify right side
    12,948,817.20x = 85,973,436,130,926.97
  5. Step 5: Solve for x
    x = 85,973,436,130,926.97/12,948,817.20
  6. Step 6: Final answer
    x = 6,639,481.80

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1.5x scale

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.