Home / 20,341,987,403.95-28,073,513,335.55-12,204,095,974.32

Finding the Fourth Proportional to 20,341,987,403.95, 28,073,513,335.55 and 12,204,095,974.32

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Solution

The fourth proportional to 20,341,987,403.95, 28,073,513,335.55 and 12,204,095,974.32 is: 16,842,594,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,987,403.95 : 28,073,513,335.55 = 12,204,095,974.32 : x
  2. Step 2: Convert to fraction form
    20,341,987,403.95/28,073,513,335.55 = 12,204,095,974.32/x
  3. Step 3: Cross multiply
    20,341,987,403.95x = 28,073,513,335.55 × 12,204,095,974.32
  4. Step 4: Simplify right side
    20,341,987,403.95x = 342,611,851,083,404,541,952
  5. Step 5: Solve for x
    x = 342,611,851,083,404,541,952/20,341,987,403.95
  6. Step 6: Final answer
    x = 16,842,594,790.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.