Home / 25,470,553.60-38,205,830.40-12,715,969.60

Finding the Fourth Proportional to 25,470,553.60, 38,205,830.40 and 12,715,969.60

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Solution

The fourth proportional to 25,470,553.60, 38,205,830.40 and 12,715,969.60 is: 19,073,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470,553.60 : 38,205,830.40 = 12,715,969.60 : x
  2. Step 2: Convert to fraction form
    25,470,553.60/38,205,830.40 = 12,715,969.60/x
  3. Step 3: Cross multiply
    25,470,553.60x = 38,205,830.40 × 12,715,969.60
  4. Step 4: Simplify right side
    25,470,553.60x = 485,824,177,909,155.81
  5. Step 5: Solve for x
    x = 485,824,177,909,155.81/25,470,553.60
  6. Step 6: Final answer
    x = 19,073,954.40

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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.