Home / 18,191,930.40-27,287,895.60-15,952,442.40

Finding the Fourth Proportional to 18,191,930.40, 27,287,895.60 and 15,952,442.40

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Solution

The fourth proportional to 18,191,930.40, 27,287,895.60 and 15,952,442.40 is: 23,928,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,930.40 : 27,287,895.60 = 15,952,442.40 : x
  2. Step 2: Convert to fraction form
    18,191,930.40/27,287,895.60 = 15,952,442.40/x
  3. Step 3: Cross multiply
    18,191,930.40x = 27,287,895.60 × 15,952,442.40
  4. Step 4: Simplify right side
    18,191,930.40x = 435,308,582,776,213.50
  5. Step 5: Solve for x
    x = 435,308,582,776,213.50/18,191,930.40
  6. Step 6: Final answer
    x = 23,928,663.60

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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.