Home / 7,442,844.91-11,157,526.41-5,169,442.75

Finding the Fourth Proportional to 7,442,844.91, 11,157,526.41 and 5,169,442.75

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Solution

The fourth proportional to 7,442,844.91, 11,157,526.41 and 5,169,442.75 is: 7,749,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,844.91 : 11,157,526.41 = 5,169,442.75 : x
  2. Step 2: Convert to fraction form
    7,442,844.91/11,157,526.41 = 5,169,442.75/x
  3. Step 3: Cross multiply
    7,442,844.91x = 11,157,526.41 × 5,169,442.75
  4. Step 4: Simplify right side
    7,442,844.91x = 57,678,194,008,108.03
  5. Step 5: Solve for x
    x = 57,678,194,008,108.03/7,442,844.91
  6. Step 6: Final answer
    x = 7,749,482.18

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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.