Home / 15,552,145.40-23,328,218.10-5,453,454.20

Finding the Fourth Proportional to 15,552,145.40, 23,328,218.10 and 5,453,454.20

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Solution

The fourth proportional to 15,552,145.40, 23,328,218.10 and 5,453,454.20 is: 8,180,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,145.40 : 23,328,218.10 = 5,453,454.20 : x
  2. Step 2: Convert to fraction form
    15,552,145.40/23,328,218.10 = 5,453,454.20/x
  3. Step 3: Cross multiply
    15,552,145.40x = 23,328,218.10 × 5,453,454.20
  4. Step 4: Simplify right side
    15,552,145.40x = 127,219,368,975,961.03
  5. Step 5: Solve for x
    x = 127,219,368,975,961.03/15,552,145.40
  6. Step 6: Final answer
    x = 8,180,181.30

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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.