Home / 10,370,844.20-15,570,263.10-8,243,330.60

Finding the Fourth Proportional to 10,370,844.20, 15,570,263.10 and 8,243,330.60

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Solution

The fourth proportional to 10,370,844.20, 15,570,263.10 and 8,243,330.60 is: 12,376,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,844.20 : 15,570,263.10 = 8,243,330.60 : x
  2. Step 2: Convert to fraction form
    10,370,844.20/15,570,263.10 = 8,243,330.60/x
  3. Step 3: Cross multiply
    10,370,844.20x = 15,570,263.10 × 8,243,330.60
  4. Step 4: Simplify right side
    10,370,844.20x = 128,350,826,262,280.84
  5. Step 5: Solve for x
    x = 128,350,826,262,280.84/10,370,844.20
  6. Step 6: Final answer
    x = 12,376,121.34

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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.