Home / 30,651,618.76-45,925,399.02-18,495,540.52

Finding the Fourth Proportional to 30,651,618.76, 45,925,399.02 and 18,495,540.52

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Solution

The fourth proportional to 30,651,618.76, 45,925,399.02 and 18,495,540.52 is: 27,711,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651,618.76 : 45,925,399.02 = 18,495,540.52 : x
  2. Step 2: Convert to fraction form
    30,651,618.76/45,925,399.02 = 18,495,540.52/x
  3. Step 3: Cross multiply
    30,651,618.76x = 45,925,399.02 × 18,495,540.52
  4. Step 4: Simplify right side
    30,651,618.76x = 849,415,078,471,578.38
  5. Step 5: Solve for x
    x = 849,415,078,471,578.38/30,651,618.76
  6. Step 6: Final answer
    x = 27,711,915.81

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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.