Home / 21,783,247,185.65-30,060,087,480.45-12,137,478,775.83

Finding the Fourth Proportional to 21,783,247,185.65, 30,060,087,480.45 and 12,137,478,775.83

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Solution

The fourth proportional to 21,783,247,185.65, 30,060,087,480.45 and 12,137,478,775.83 is: 16,749,278,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,247,185.65 : 30,060,087,480.45 = 12,137,478,775.83 : x
  2. Step 2: Convert to fraction form
    21,783,247,185.65/30,060,087,480.45 = 12,137,478,775.83/x
  3. Step 3: Cross multiply
    21,783,247,185.65x = 30,060,087,480.45 × 12,137,478,775.83
  4. Step 4: Simplify right side
    21,783,247,185.65x = 364,853,673,793,555,005,440
  5. Step 5: Solve for x
    x = 364,853,673,793,555,005,440/21,783,247,185.65
  6. Step 6: Final answer
    x = 16,749,278,502.15

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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.