Home / 13,941,748.70-20,920,053.45-5,422,363.10

Finding the Fourth Proportional to 13,941,748.70, 20,920,053.45 and 5,422,363.10

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Solution

The fourth proportional to 13,941,748.70, 20,920,053.45 and 5,422,363.10 is: 8,136,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,748.70 : 20,920,053.45 = 5,422,363.10 : x
  2. Step 2: Convert to fraction form
    13,941,748.70/20,920,053.45 = 5,422,363.10/x
  3. Step 3: Cross multiply
    13,941,748.70x = 20,920,053.45 × 5,422,363.10
  4. Step 4: Simplify right side
    13,941,748.70x = 113,436,125,877,307.69
  5. Step 5: Solve for x
    x = 113,436,125,877,307.69/13,941,748.70
  6. Step 6: Final answer
    x = 8,136,434.55

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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.