Home / 18,949,071.24-28,423,342.80-4,572,018.36

Finding the Fourth Proportional to 18,949,071.24, 28,423,342.80 and 4,572,018.36

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Solution

The fourth proportional to 18,949,071.24, 28,423,342.80 and 4,572,018.36 is: 6,857,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,071.24 : 28,423,342.80 = 4,572,018.36 : x
  2. Step 2: Convert to fraction form
    18,949,071.24/28,423,342.80 = 4,572,018.36/x
  3. Step 3: Cross multiply
    18,949,071.24x = 28,423,342.80 × 4,572,018.36
  4. Step 4: Simplify right side
    18,949,071.24x = 129,952,045,134,173.83
  5. Step 5: Solve for x
    x = 129,952,045,134,173.83/18,949,071.24
  6. Step 6: Final answer
    x = 6,857,963.83

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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.