Home / 7,880,728.50-10,875,419.64-4,442,961.24

Finding the Fourth Proportional to 7,880,728.50, 10,875,419.64 and 4,442,961.24

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Solution

The fourth proportional to 7,880,728.50, 10,875,419.64 and 4,442,961.24 is: 6,131,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,728.50 : 10,875,419.64 = 4,442,961.24 : x
  2. Step 2: Convert to fraction form
    7,880,728.50/10,875,419.64 = 4,442,961.24/x
  3. Step 3: Cross multiply
    7,880,728.50x = 10,875,419.64 × 4,442,961.24
  4. Step 4: Simplify right side
    7,880,728.50x = 48,319,067,929,254.76
  5. Step 5: Solve for x
    x = 48,319,067,929,254.76/7,880,728.50
  6. Step 6: Final answer
    x = 6,131,294.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.