Home / 5,427,622.40-8,180,446.54-4,678,505.28

Finding the Fourth Proportional to 5,427,622.40, 8,180,446.54 and 4,678,505.28

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Solution

The fourth proportional to 5,427,622.40, 8,180,446.54 and 4,678,505.28 is: 7,051,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,622.40 : 8,180,446.54 = 4,678,505.28 : x
  2. Step 2: Convert to fraction form
    5,427,622.40/8,180,446.54 = 4,678,505.28/x
  3. Step 3: Cross multiply
    5,427,622.40x = 8,180,446.54 × 4,678,505.28
  4. Step 4: Simplify right side
    5,427,622.40x = 38,272,262,330,147.73
  5. Step 5: Solve for x
    x = 38,272,262,330,147.73/5,427,622.40
  6. Step 6: Final answer
    x = 7,051,386.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.