Home / 10,100,209.89-13,938,289.62-5,516,542.20

Finding the Fourth Proportional to 10,100,209.89, 13,938,289.62 and 5,516,542.20

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Solution

The fourth proportional to 10,100,209.89, 13,938,289.62 and 5,516,542.20 is: 7,612,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100,209.89 : 13,938,289.62 = 5,516,542.20 : x
  2. Step 2: Convert to fraction form
    10,100,209.89/13,938,289.62 = 5,516,542.20/x
  3. Step 3: Cross multiply
    10,100,209.89x = 13,938,289.62 × 5,516,542.20
  4. Step 4: Simplify right side
    10,100,209.89x = 76,891,162,884,551.97
  5. Step 5: Solve for x
    x = 76,891,162,884,551.97/10,100,209.89
  6. Step 6: Final answer
    x = 7,612,828.22

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1.5x scale

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.