Home / 10,185,540.20-15,278,088.34-4,791,200.60

Finding the Fourth Proportional to 10,185,540.20, 15,278,088.34 and 4,791,200.60

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Solution

The fourth proportional to 10,185,540.20, 15,278,088.34 and 4,791,200.60 is: 7,186,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185,540.20 : 15,278,088.34 = 4,791,200.60 : x
  2. Step 2: Convert to fraction form
    10,185,540.20/15,278,088.34 = 4,791,200.60/x
  3. Step 3: Cross multiply
    10,185,540.20x = 15,278,088.34 × 4,791,200.60
  4. Step 4: Simplify right side
    10,185,540.20x = 73,200,386,021,461
  5. Step 5: Solve for x
    x = 73,200,386,021,461/10,185,540.20
  6. Step 6: Final answer
    x = 7,186,696.49

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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.