Home / 25,420,101.40-38,130,152.10-8,376,664.60

Finding the Fourth Proportional to 25,420,101.40, 38,130,152.10 and 8,376,664.60

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Solution

The fourth proportional to 25,420,101.40, 38,130,152.10 and 8,376,664.60 is: 12,564,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420,101.40 : 38,130,152.10 = 8,376,664.60 : x
  2. Step 2: Convert to fraction form
    25,420,101.40/38,130,152.10 = 8,376,664.60/x
  3. Step 3: Cross multiply
    25,420,101.40x = 38,130,152.10 × 8,376,664.60
  4. Step 4: Simplify right side
    25,420,101.40x = 319,403,495,288,685.69
  5. Step 5: Solve for x
    x = 319,403,495,288,685.69/25,420,101.40
  6. Step 6: Final answer
    x = 12,564,996.90

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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.