Home / 10,359,515.20-15,518,277.60-5,866,542.40

Finding the Fourth Proportional to 10,359,515.20, 15,518,277.60 and 5,866,542.40

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Solution

The fourth proportional to 10,359,515.20, 15,518,277.60 and 5,866,542.40 is: 8,787,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,515.20 : 15,518,277.60 = 5,866,542.40 : x
  2. Step 2: Convert to fraction form
    10,359,515.20/15,518,277.60 = 5,866,542.40/x
  3. Step 3: Cross multiply
    10,359,515.20x = 15,518,277.60 × 5,866,542.40
  4. Step 4: Simplify right side
    10,359,515.20x = 91,038,633,515,370.25
  5. Step 5: Solve for x
    x = 91,038,633,515,370.25/10,359,515.20
  6. Step 6: Final answer
    x = 8,787,924.12

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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.