Home / 10,359,511.20-15,518,271.60-5,866,538.40

Finding the Fourth Proportional to 10,359,511.20, 15,518,271.60 and 5,866,538.40

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Solution

The fourth proportional to 10,359,511.20, 15,518,271.60 and 5,866,538.40 is: 8,787,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,511.20 : 15,518,271.60 = 5,866,538.40 : x
  2. Step 2: Convert to fraction form
    10,359,511.20/15,518,271.60 = 5,866,538.40/x
  3. Step 3: Cross multiply
    10,359,511.20x = 15,518,271.60 × 5,866,538.40
  4. Step 4: Simplify right side
    10,359,511.20x = 91,038,536,243,029.44
  5. Step 5: Solve for x
    x = 91,038,536,243,029.44/10,359,511.20
  6. Step 6: Final answer
    x = 8,787,918.13

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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.