Home / 9,557,900.66-13,189,442.80-5,427,386.21

Finding the Fourth Proportional to 9,557,900.66, 13,189,442.80 and 5,427,386.21

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Solution

The fourth proportional to 9,557,900.66, 13,189,442.80 and 5,427,386.21 is: 7,489,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557,900.66 : 13,189,442.80 = 5,427,386.21 : x
  2. Step 2: Convert to fraction form
    9,557,900.66/13,189,442.80 = 5,427,386.21/x
  3. Step 3: Cross multiply
    9,557,900.66x = 13,189,442.80 × 5,427,386.21
  4. Step 4: Simplify right side
    9,557,900.66x = 71,584,199,989,708.94
  5. Step 5: Solve for x
    x = 71,584,199,989,708.94/9,557,900.66
  6. Step 6: Final answer
    x = 7,489,531.70

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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.