Home / 9,999,644.38-13,799,444.97-5,650,138.78

Finding the Fourth Proportional to 9,999,644.38, 13,799,444.97 and 5,650,138.78

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Solution

The fourth proportional to 9,999,644.38, 13,799,444.97 and 5,650,138.78 is: 7,797,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,644.38 : 13,799,444.97 = 5,650,138.78 : x
  2. Step 2: Convert to fraction form
    9,999,644.38/13,799,444.97 = 5,650,138.78/x
  3. Step 3: Cross multiply
    9,999,644.38x = 13,799,444.97 × 5,650,138.78
  4. Step 4: Simplify right side
    9,999,644.38x = 77,968,779,173,720.84
  5. Step 5: Solve for x
    x = 77,968,779,173,720.84/9,999,644.38
  6. Step 6: Final answer
    x = 7,797,155.20

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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.