Home / 12,547,793.60-18,821,690.40-4,028,991.20

Finding the Fourth Proportional to 12,547,793.60, 18,821,690.40 and 4,028,991.20

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Solution

The fourth proportional to 12,547,793.60, 18,821,690.40 and 4,028,991.20 is: 6,043,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,793.60 : 18,821,690.40 = 4,028,991.20 : x
  2. Step 2: Convert to fraction form
    12,547,793.60/18,821,690.40 = 4,028,991.20/x
  3. Step 3: Cross multiply
    12,547,793.60x = 18,821,690.40 × 4,028,991.20
  4. Step 4: Simplify right side
    12,547,793.60x = 75,832,424,990,724.48
  5. Step 5: Solve for x
    x = 75,832,424,990,724.48/12,547,793.60
  6. Step 6: Final answer
    x = 6,043,486.80

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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.