Home / 40,694,672.40-61,042,008.60-13,768,328.40

Finding the Fourth Proportional to 40,694,672.40, 61,042,008.60 and 13,768,328.40

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Solution

The fourth proportional to 40,694,672.40, 61,042,008.60 and 13,768,328.40 is: 20,652,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694,672.40 : 61,042,008.60 = 13,768,328.40 : x
  2. Step 2: Convert to fraction form
    40,694,672.40/61,042,008.60 = 13,768,328.40/x
  3. Step 3: Cross multiply
    40,694,672.40x = 61,042,008.60 × 13,768,328.40
  4. Step 4: Simplify right side
    40,694,672.40x = 840,446,420,600,424.25
  5. Step 5: Solve for x
    x = 840,446,420,600,424.25/40,694,672.40
  6. Step 6: Final answer
    x = 20,652,492.60

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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.