Home / 28,585,202.96-42,853,695.93-12,398,967.42

Finding the Fourth Proportional to 28,585,202.96, 42,853,695.93 and 12,398,967.42

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Solution

The fourth proportional to 28,585,202.96, 42,853,695.93 and 12,398,967.42 is: 18,587,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,202.96 : 42,853,695.93 = 12,398,967.42 : x
  2. Step 2: Convert to fraction form
    28,585,202.96/42,853,695.93 = 12,398,967.42/x
  3. Step 3: Cross multiply
    28,585,202.96x = 42,853,695.93 × 12,398,967.42
  4. Step 4: Simplify right side
    28,585,202.96x = 531,341,579,662,656.56
  5. Step 5: Solve for x
    x = 531,341,579,662,656.56/28,585,202.96
  6. Step 6: Final answer
    x = 18,587,993.95

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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.