Home / 38,851,926.40-58,294,219.20-20,880,035.20

Finding the Fourth Proportional to 38,851,926.40, 58,294,219.20 and 20,880,035.20

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Solution

The fourth proportional to 38,851,926.40, 58,294,219.20 and 20,880,035.20 is: 31,328,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,926.40 : 58,294,219.20 = 20,880,035.20 : x
  2. Step 2: Convert to fraction form
    38,851,926.40/58,294,219.20 = 20,880,035.20/x
  3. Step 3: Cross multiply
    38,851,926.40x = 58,294,219.20 × 20,880,035.20
  4. Step 4: Simplify right side
    38,851,926.40x = 1,217,185,348,852,515.75
  5. Step 5: Solve for x
    x = 1,217,185,348,852,515.75/38,851,926.40
  6. Step 6: Final answer
    x = 31,328,828.75

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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.