Home / 20,348,672.10-30,523,008.15-5,201,801.70

Finding the Fourth Proportional to 20,348,672.10, 30,523,008.15 and 5,201,801.70

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Solution

The fourth proportional to 20,348,672.10, 30,523,008.15 and 5,201,801.70 is: 7,802,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,672.10 : 30,523,008.15 = 5,201,801.70 : x
  2. Step 2: Convert to fraction form
    20,348,672.10/30,523,008.15 = 5,201,801.70/x
  3. Step 3: Cross multiply
    20,348,672.10x = 30,523,008.15 × 5,201,801.70
  4. Step 4: Simplify right side
    20,348,672.10x = 158,774,635,683,783.84
  5. Step 5: Solve for x
    x = 158,774,635,683,783.84/20,348,672.10
  6. Step 6: Final answer
    x = 7,802,702.55

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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.