Home / 14,401,866.47-19,873,943.07-8,208,253.76

Finding the Fourth Proportional to 14,401,866.47, 19,873,943.07 and 8,208,253.76

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Solution

The fourth proportional to 14,401,866.47, 19,873,943.07 and 8,208,253.76 is: 11,327,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401,866.47 : 19,873,943.07 = 8,208,253.76 : x
  2. Step 2: Convert to fraction form
    14,401,866.47/19,873,943.07 = 8,208,253.76/x
  3. Step 3: Cross multiply
    14,401,866.47x = 19,873,943.07 × 8,208,253.76
  4. Step 4: Simplify right side
    14,401,866.47x = 163,130,367,830,983.72
  5. Step 5: Solve for x
    x = 163,130,367,830,983.72/14,401,866.47
  6. Step 6: Final answer
    x = 11,327,029.61

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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.