Home / 28,512,034.20-42,768,051.30-13,395,490.20

Finding the Fourth Proportional to 28,512,034.20, 42,768,051.30 and 13,395,490.20

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Solution

The fourth proportional to 28,512,034.20, 42,768,051.30 and 13,395,490.20 is: 20,093,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,034.20 : 42,768,051.30 = 13,395,490.20 : x
  2. Step 2: Convert to fraction form
    28,512,034.20/42,768,051.30 = 13,395,490.20/x
  3. Step 3: Cross multiply
    28,512,034.20x = 42,768,051.30 × 13,395,490.20
  4. Step 4: Simplify right side
    28,512,034.20x = 572,899,012,062,247.25
  5. Step 5: Solve for x
    x = 572,899,012,062,247.25/28,512,034.20
  6. Step 6: Final answer
    x = 20,093,235.30

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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.