Home / 7,252,939.32-10,009,243.02-3,989,837.88

Finding the Fourth Proportional to 7,252,939.32, 10,009,243.02 and 3,989,837.88

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Solution

The fourth proportional to 7,252,939.32, 10,009,243.02 and 3,989,837.88 is: 5,506,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252,939.32 : 10,009,243.02 = 3,989,837.88 : x
  2. Step 2: Convert to fraction form
    7,252,939.32/10,009,243.02 = 3,989,837.88/x
  3. Step 3: Cross multiply
    7,252,939.32x = 10,009,243.02 × 3,989,837.88
  4. Step 4: Simplify right side
    7,252,939.32x = 39,935,256,951,321.59
  5. Step 5: Solve for x
    x = 39,935,256,951,321.59/7,252,939.32
  6. Step 6: Final answer
    x = 5,506,079.01

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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.