Home / 25,495,121.40-38,242,634.72-7,989,019.08

Finding the Fourth Proportional to 25,495,121.40, 38,242,634.72 and 7,989,019.08

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Solution

The fourth proportional to 25,495,121.40, 38,242,634.72 and 7,989,019.08 is: 11,983,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495,121.40 : 38,242,634.72 = 7,989,019.08 : x
  2. Step 2: Convert to fraction form
    25,495,121.40/38,242,634.72 = 7,989,019.08/x
  3. Step 3: Cross multiply
    25,495,121.40x = 38,242,634.72 × 7,989,019.08
  4. Step 4: Simplify right side
    25,495,121.40x = 305,521,138,407,605.38
  5. Step 5: Solve for x
    x = 305,521,138,407,605.38/25,495,121.40
  6. Step 6: Final answer
    x = 11,983,513.77

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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.