Home / 10,370,845.20-15,570,264.60-8,243,331.60

Finding the Fourth Proportional to 10,370,845.20, 15,570,264.60 and 8,243,331.60

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Solution

The fourth proportional to 10,370,845.20, 15,570,264.60 and 8,243,331.60 is: 12,376,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,845.20 : 15,570,264.60 = 8,243,331.60 : x
  2. Step 2: Convert to fraction form
    10,370,845.20/15,570,264.60 = 8,243,331.60/x
  3. Step 3: Cross multiply
    10,370,845.20x = 15,570,264.60 × 8,243,331.60
  4. Step 4: Simplify right side
    10,370,845.20x = 128,350,854,197,541.34
  5. Step 5: Solve for x
    x = 128,350,854,197,541.34/10,370,845.20
  6. Step 6: Final answer
    x = 12,376,122.84

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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.