Home / 9,278,512.02-12,803,731.20-5,148,281.28

Finding the Fourth Proportional to 9,278,512.02, 12,803,731.20 and 5,148,281.28

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Solution

The fourth proportional to 9,278,512.02, 12,803,731.20 and 5,148,281.28 is: 7,104,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278,512.02 : 12,803,731.20 = 5,148,281.28 : x
  2. Step 2: Convert to fraction form
    9,278,512.02/12,803,731.20 = 5,148,281.28/x
  3. Step 3: Cross multiply
    9,278,512.02x = 12,803,731.20 × 5,148,281.28
  4. Step 4: Simplify right side
    9,278,512.02x = 65,917,209,651,111.94
  5. Step 5: Solve for x
    x = 65,917,209,651,111.94/9,278,512.02
  6. Step 6: Final answer
    x = 7,104,286.71

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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.