Home / 9,202,177.71-12,698,432.09-5,072,241.44

Finding the Fourth Proportional to 9,202,177.71, 12,698,432.09 and 5,072,241.44

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Solution

The fourth proportional to 9,202,177.71, 12,698,432.09 and 5,072,241.44 is: 6,999,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202,177.71 : 12,698,432.09 = 5,072,241.44 : x
  2. Step 2: Convert to fraction form
    9,202,177.71/12,698,432.09 = 5,072,241.44/x
  3. Step 3: Cross multiply
    9,202,177.71x = 12,698,432.09 × 5,072,241.44
  4. Step 4: Simplify right side
    9,202,177.71x = 64,409,513,473,883.46
  5. Step 5: Solve for x
    x = 64,409,513,473,883.46/9,202,177.71
  6. Step 6: Final answer
    x = 6,999,377.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.