Home / 10,557,856.20-15,868,277.10-10,368,899.40

Finding the Fourth Proportional to 10,557,856.20, 15,868,277.10 and 10,368,899.40

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Solution

The fourth proportional to 10,557,856.20, 15,868,277.10 and 10,368,899.40 is: 15,584,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,856.20 : 15,868,277.10 = 10,368,899.40 : x
  2. Step 2: Convert to fraction form
    10,557,856.20/15,868,277.10 = 10,368,899.40/x
  3. Step 3: Cross multiply
    10,557,856.20x = 15,868,277.10 × 10,368,899.40
  4. Step 4: Simplify right side
    10,557,856.20x = 164,536,568,901,223.75
  5. Step 5: Solve for x
    x = 164,536,568,901,223.75/10,557,856.20
  6. Step 6: Final answer
    x = 15,584,278.26

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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.