Home / 10,100,290.56-13,938,400.92-5,516,622.84

Finding the Fourth Proportional to 10,100,290.56, 13,938,400.92 and 5,516,622.84

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Solution

The fourth proportional to 10,100,290.56, 13,938,400.92 and 5,516,622.84 is: 7,612,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100,290.56 : 13,938,400.92 = 5,516,622.84 : x
  2. Step 2: Convert to fraction form
    10,100,290.56/13,938,400.92 = 5,516,622.84/x
  3. Step 3: Cross multiply
    10,100,290.56x = 13,938,400.92 × 5,516,622.84
  4. Step 4: Simplify right side
    10,100,290.56x = 76,892,900,868,349.02
  5. Step 5: Solve for x
    x = 76,892,900,868,349.02/10,100,290.56
  6. Step 6: Final answer
    x = 7,612,939.49

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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.