Home / 20,341,987,411.95-28,073,513,346.60-12,204,095,982.33

Finding the Fourth Proportional to 20,341,987,411.95, 28,073,513,346.60 and 12,204,095,982.33

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Solution

The fourth proportional to 20,341,987,411.95, 28,073,513,346.60 and 12,204,095,982.33 is: 16,842,594,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,987,411.95 : 28,073,513,346.60 = 12,204,095,982.33 : x
  2. Step 2: Convert to fraction form
    20,341,987,411.95/28,073,513,346.60 = 12,204,095,982.33/x
  3. Step 3: Cross multiply
    20,341,987,411.95x = 28,073,513,346.60 × 12,204,095,982.33
  4. Step 4: Simplify right side
    20,341,987,411.95x = 342,611,851,443,128,696,832
  5. Step 5: Solve for x
    x = 342,611,851,443,128,696,832/20,341,987,411.95
  6. Step 6: Final answer
    x = 16,842,594,801.82

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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.