Home / 25,640,865.60-38,461,298.40-7,689,969.60

Finding the Fourth Proportional to 25,640,865.60, 38,461,298.40 and 7,689,969.60

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Solution

The fourth proportional to 25,640,865.60, 38,461,298.40 and 7,689,969.60 is: 11,534,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640,865.60 : 38,461,298.40 = 7,689,969.60 : x
  2. Step 2: Convert to fraction form
    25,640,865.60/38,461,298.40 = 7,689,969.60/x
  3. Step 3: Cross multiply
    25,640,865.60x = 38,461,298.40 × 7,689,969.60
  4. Step 4: Simplify right side
    25,640,865.60x = 295,766,215,472,528.62
  5. Step 5: Solve for x
    x = 295,766,215,472,528.62/25,640,865.60
  6. Step 6: Final answer
    x = 11,534,954.40

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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.