Home / 14,338,841.55-21,508,242.78-6,658,286.46

Finding the Fourth Proportional to 14,338,841.55, 21,508,242.78 and 6,658,286.46

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Solution

The fourth proportional to 14,338,841.55, 21,508,242.78 and 6,658,286.46 is: 9,987,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338,841.55 : 21,508,242.78 = 6,658,286.46 : x
  2. Step 2: Convert to fraction form
    14,338,841.55/21,508,242.78 = 6,658,286.46/x
  3. Step 3: Cross multiply
    14,338,841.55x = 21,508,242.78 × 6,658,286.46
  4. Step 4: Simplify right side
    14,338,841.55x = 143,208,041,680,466.78
  5. Step 5: Solve for x
    x = 143,208,041,680,466.78/14,338,841.55
  6. Step 6: Final answer
    x = 9,987,420.61

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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.