Home / 20,737,312,677.38-28,608,371,959.92-12,159,360,894.08

Finding the Fourth Proportional to 20,737,312,677.38, 28,608,371,959.92 and 12,159,360,894.08

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Solution

The fourth proportional to 20,737,312,677.38, 28,608,371,959.92 and 12,159,360,894.08 is: 16,774,570,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,312,677.38 : 28,608,371,959.92 = 12,159,360,894.08 : x
  2. Step 2: Convert to fraction form
    20,737,312,677.38/28,608,371,959.92 = 12,159,360,894.08/x
  3. Step 3: Cross multiply
    20,737,312,677.38x = 28,608,371,959.92 × 12,159,360,894.08
  4. Step 4: Simplify right side
    20,737,312,677.38x = 347,859,519,252,603,011,072
  5. Step 5: Solve for x
    x = 347,859,519,252,603,011,072/20,737,312,677.38
  6. Step 6: Final answer
    x = 16,774,570,778.02

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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.