Home / 21,649,401.65-29,876,210.47-11,859,632.40

Finding the Fourth Proportional to 21,649,401.65, 29,876,210.47 and 11,859,632.40

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Solution

The fourth proportional to 21,649,401.65, 29,876,210.47 and 11,859,632.40 is: 16,366,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,401.65 : 29,876,210.47 = 11,859,632.40 : x
  2. Step 2: Convert to fraction form
    21,649,401.65/29,876,210.47 = 11,859,632.40/x
  3. Step 3: Cross multiply
    21,649,401.65x = 29,876,210.47 × 11,859,632.40
  4. Step 4: Simplify right side
    21,649,401.65x = 354,320,873,679,231.25
  5. Step 5: Solve for x
    x = 354,320,873,679,231.25/21,649,401.65
  6. Step 6: Final answer
    x = 16,366,312.54

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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.