Home / 13,808,751.35-20,689,686.80-8,332,338.45

Finding the Fourth Proportional to 13,808,751.35, 20,689,686.80 and 8,332,338.45

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Solution

The fourth proportional to 13,808,751.35, 20,689,686.80 and 8,332,338.45 is: 12,484,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,751.35 : 20,689,686.80 = 8,332,338.45 : x
  2. Step 2: Convert to fraction form
    13,808,751.35/20,689,686.80 = 8,332,338.45/x
  3. Step 3: Cross multiply
    13,808,751.35x = 20,689,686.80 × 8,332,338.45
  4. Step 4: Simplify right side
    13,808,751.35x = 172,393,472,696,987.34
  5. Step 5: Solve for x
    x = 172,393,472,696,987.34/13,808,751.35
  6. Step 6: Final answer
    x = 12,484,363.60

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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.