Home / 9,358,979.40-14,040,437.40-5,312,154.60

Finding the Fourth Proportional to 9,358,979.40, 14,040,437.40 and 5,312,154.60

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Solution

The fourth proportional to 9,358,979.40, 14,040,437.40 and 5,312,154.60 is: 7,969,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,979.40 : 14,040,437.40 = 5,312,154.60 : x
  2. Step 2: Convert to fraction form
    9,358,979.40/14,040,437.40 = 5,312,154.60/x
  3. Step 3: Cross multiply
    9,358,979.40x = 14,040,437.40 × 5,312,154.60
  4. Step 4: Simplify right side
    9,358,979.40x = 74,584,974,120,422.03
  5. Step 5: Solve for x
    x = 74,584,974,120,422.03/9,358,979.40
  6. Step 6: Final answer
    x = 7,969,349.11

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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.