Home / 10,257,076.40-15,366,952.20-8,353,511.60

Finding the Fourth Proportional to 10,257,076.40, 15,366,952.20 and 8,353,511.60

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Solution

The fourth proportional to 10,257,076.40, 15,366,952.20 and 8,353,511.60 is: 12,515,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,076.40 : 15,366,952.20 = 8,353,511.60 : x
  2. Step 2: Convert to fraction form
    10,257,076.40/15,366,952.20 = 8,353,511.60/x
  3. Step 3: Cross multiply
    10,257,076.40x = 15,366,952.20 × 8,353,511.60
  4. Step 4: Simplify right side
    10,257,076.40x = 128,368,013,459,345.52
  5. Step 5: Solve for x
    x = 128,368,013,459,345.52/10,257,076.40
  6. Step 6: Final answer
    x = 12,515,068.47

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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.