Home / 25,875,657.60-38,813,486.40-15,797,961.60

Finding the Fourth Proportional to 25,875,657.60, 38,813,486.40 and 15,797,961.60

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Solution

The fourth proportional to 25,875,657.60, 38,813,486.40 and 15,797,961.60 is: 23,696,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875,657.60 : 38,813,486.40 = 15,797,961.60 : x
  2. Step 2: Convert to fraction form
    25,875,657.60/38,813,486.40 = 15,797,961.60/x
  3. Step 3: Cross multiply
    25,875,657.60x = 38,813,486.40 × 15,797,961.60
  4. Step 4: Simplify right side
    25,875,657.60x = 613,173,967,709,322.25
  5. Step 5: Solve for x
    x = 613,173,967,709,322.25/25,875,657.60
  6. Step 6: Final answer
    x = 23,696,942.40

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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.