Home / 18,663,393.40-27,995,087.22-4,479,969.40

Finding the Fourth Proportional to 18,663,393.40, 27,995,087.22 and 4,479,969.40

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Solution

The fourth proportional to 18,663,393.40, 27,995,087.22 and 4,479,969.40 is: 6,719,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,393.40 : 27,995,087.22 = 4,479,969.40 : x
  2. Step 2: Convert to fraction form
    18,663,393.40/27,995,087.22 = 4,479,969.40/x
  3. Step 3: Cross multiply
    18,663,393.40x = 27,995,087.22 × 4,479,969.40
  4. Step 4: Simplify right side
    18,663,393.40x = 125,417,134,095,931.08
  5. Step 5: Solve for x
    x = 125,417,134,095,931.08/18,663,393.40
  6. Step 6: Final answer
    x = 6,719,953.41

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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.