Home / 15,210,838,152.95-20,966,702,917.65-11,990,496,513.56

Finding the Fourth Proportional to 15,210,838,152.95, 20,966,702,917.65 and 11,990,496,513.56

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Solution

The fourth proportional to 15,210,838,152.95, 20,966,702,917.65 and 11,990,496,513.56 is: 16,527,766,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,838,152.95 : 20,966,702,917.65 = 11,990,496,513.56 : x
  2. Step 2: Convert to fraction form
    15,210,838,152.95/20,966,702,917.65 = 11,990,496,513.56/x
  3. Step 3: Cross multiply
    15,210,838,152.95x = 20,966,702,917.65 × 11,990,496,513.56
  4. Step 4: Simplify right side
    15,210,838,152.95x = 251,401,178,234,930,626,560
  5. Step 5: Solve for x
    x = 251,401,178,234,930,626,560/15,210,838,152.95
  6. Step 6: Final answer
    x = 16,527,766,301.04

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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.