Home / 12,990,903.60-19,486,355.40-4,016,362.80

Finding the Fourth Proportional to 12,990,903.60, 19,486,355.40 and 4,016,362.80

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Solution

The fourth proportional to 12,990,903.60, 19,486,355.40 and 4,016,362.80 is: 6,024,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,990,903.60 : 19,486,355.40 = 4,016,362.80 : x
  2. Step 2: Convert to fraction form
    12,990,903.60/19,486,355.40 = 4,016,362.80/x
  3. Step 3: Cross multiply
    12,990,903.60x = 19,486,355.40 × 4,016,362.80
  4. Step 4: Simplify right side
    12,990,903.60x = 78,264,272,936,139.11
  5. Step 5: Solve for x
    x = 78,264,272,936,139.11/12,990,903.60
  6. Step 6: Final answer
    x = 6,024,544.20

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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.