Home / 25,925,953.60-38,864,047.20-20,165,492.80

Finding the Fourth Proportional to 25,925,953.60, 38,864,047.20 and 20,165,492.80

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Solution

The fourth proportional to 25,925,953.60, 38,864,047.20 and 20,165,492.80 is: 30,228,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925,953.60 : 38,864,047.20 = 20,165,492.80 : x
  2. Step 2: Convert to fraction form
    25,925,953.60/38,864,047.20 = 20,165,492.80/x
  3. Step 3: Cross multiply
    25,925,953.60x = 38,864,047.20 × 20,165,492.80
  4. Step 4: Simplify right side
    25,925,953.60x = 783,712,663,990,460.25
  5. Step 5: Solve for x
    x = 783,712,663,990,460.25/25,925,953.60
  6. Step 6: Final answer
    x = 30,228,884.77

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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.