Home / 12,547,512.60-18,821,268.90-4,028,710.20

Finding the Fourth Proportional to 12,547,512.60, 18,821,268.90 and 4,028,710.20

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Solution

The fourth proportional to 12,547,512.60, 18,821,268.90 and 4,028,710.20 is: 6,043,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,512.60 : 18,821,268.90 = 4,028,710.20 : x
  2. Step 2: Convert to fraction form
    12,547,512.60/18,821,268.90 = 4,028,710.20/x
  3. Step 3: Cross multiply
    12,547,512.60x = 18,821,268.90 × 4,028,710.20
  4. Step 4: Simplify right side
    12,547,512.60x = 75,825,437,994,372.78
  5. Step 5: Solve for x
    x = 75,825,437,994,372.78/12,547,512.60
  6. Step 6: Final answer
    x = 6,043,065.30

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Similar ratio
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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.