Home / 5,918,853.28-8,168,045.52-3,340,642.72

Finding the Fourth Proportional to 5,918,853.28, 8,168,045.52 and 3,340,642.72

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Solution

The fourth proportional to 5,918,853.28, 8,168,045.52 and 3,340,642.72 is: 4,610,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918,853.28 : 8,168,045.52 = 3,340,642.72 : x
  2. Step 2: Convert to fraction form
    5,918,853.28/8,168,045.52 = 3,340,642.72/x
  3. Step 3: Cross multiply
    5,918,853.28x = 8,168,045.52 × 3,340,642.72
  4. Step 4: Simplify right side
    5,918,853.28x = 27,286,521,803,016.61
  5. Step 5: Solve for x
    x = 27,286,521,803,016.61/5,918,853.28
  6. Step 6: Final answer
    x = 4,610,102.75

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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.