Home / 28,880,123.60-43,320,185.40-28,040,315.60

Finding the Fourth Proportional to 28,880,123.60, 43,320,185.40 and 28,040,315.60

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Solution

The fourth proportional to 28,880,123.60, 43,320,185.40 and 28,040,315.60 is: 42,060,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880,123.60 : 43,320,185.40 = 28,040,315.60 : x
  2. Step 2: Convert to fraction form
    28,880,123.60/43,320,185.40 = 28,040,315.60/x
  3. Step 3: Cross multiply
    28,880,123.60x = 43,320,185.40 × 28,040,315.60
  4. Step 4: Simplify right side
    28,880,123.60x = 1,214,711,670,466,512.25
  5. Step 5: Solve for x
    x = 1,214,711,670,466,512.25/28,880,123.60
  6. Step 6: Final answer
    x = 42,060,473.40

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1.5x scale

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.