Home / 12,249,998.74-18,377,766.38-4,052,621.72

Finding the Fourth Proportional to 12,249,998.74, 18,377,766.38 and 4,052,621.72

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Solution

The fourth proportional to 12,249,998.74, 18,377,766.38 and 4,052,621.72 is: 6,079,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,998.74 : 18,377,766.38 = 4,052,621.72 : x
  2. Step 2: Convert to fraction form
    12,249,998.74/18,377,766.38 = 4,052,621.72/x
  3. Step 3: Cross multiply
    12,249,998.74x = 18,377,766.38 × 4,052,621.72
  4. Step 4: Simplify right side
    12,249,998.74x = 74,478,135,176,410.67
  5. Step 5: Solve for x
    x = 74,478,135,176,410.67/12,249,998.74
  6. Step 6: Final answer
    x = 6,079,848.40

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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.