Home / 15,640,981.60-23,461,472.40-13,749,858.40

Finding the Fourth Proportional to 15,640,981.60, 23,461,472.40 and 13,749,858.40

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Solution

The fourth proportional to 15,640,981.60, 23,461,472.40 and 13,749,858.40 is: 20,624,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640,981.60 : 23,461,472.40 = 13,749,858.40 : x
  2. Step 2: Convert to fraction form
    15,640,981.60/23,461,472.40 = 13,749,858.40/x
  3. Step 3: Cross multiply
    15,640,981.60x = 23,461,472.40 × 13,749,858.40
  4. Step 4: Simplify right side
    15,640,981.60x = 322,591,923,355,508.12
  5. Step 5: Solve for x
    x = 322,591,923,355,508.12/15,640,981.60
  6. Step 6: Final answer
    x = 20,624,787.60

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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.