Home / 13,124,217.20-19,686,325.80-7,361,034.80

Finding the Fourth Proportional to 13,124,217.20, 19,686,325.80 and 7,361,034.80

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Solution

The fourth proportional to 13,124,217.20, 19,686,325.80 and 7,361,034.80 is: 11,041,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,217.20 : 19,686,325.80 = 7,361,034.80 : x
  2. Step 2: Convert to fraction form
    13,124,217.20/19,686,325.80 = 7,361,034.80/x
  3. Step 3: Cross multiply
    13,124,217.20x = 19,686,325.80 × 7,361,034.80
  4. Step 4: Simplify right side
    13,124,217.20x = 144,911,729,297,937.84
  5. Step 5: Solve for x
    x = 144,911,729,297,937.84/13,124,217.20
  6. Step 6: Final answer
    x = 11,041,552.20

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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.