Home / 15,111,938.40-22,667,907.60-9,065,320.80

Finding the Fourth Proportional to 15,111,938.40, 22,667,907.60 and 9,065,320.80

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Solution

The fourth proportional to 15,111,938.40, 22,667,907.60 and 9,065,320.80 is: 13,597,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111,938.40 : 22,667,907.60 = 9,065,320.80 : x
  2. Step 2: Convert to fraction form
    15,111,938.40/22,667,907.60 = 9,065,320.80/x
  3. Step 3: Cross multiply
    15,111,938.40x = 22,667,907.60 × 9,065,320.80
  4. Step 4: Simplify right side
    15,111,938.40x = 205,491,854,258,758.12
  5. Step 5: Solve for x
    x = 205,491,854,258,758.12/15,111,938.40
  6. Step 6: Final answer
    x = 13,597,981.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.