Home / 21,752,760.74-30,018,210.75-11,963,208.49

Finding the Fourth Proportional to 21,752,760.74, 30,018,210.75 and 11,963,208.49

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Solution

The fourth proportional to 21,752,760.74, 30,018,210.75 and 11,963,208.49 is: 16,508,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752,760.74 : 30,018,210.75 = 11,963,208.49 : x
  2. Step 2: Convert to fraction form
    21,752,760.74/30,018,210.75 = 11,963,208.49/x
  3. Step 3: Cross multiply
    21,752,760.74x = 30,018,210.75 × 11,963,208.49
  4. Step 4: Simplify right side
    21,752,760.74x = 359,114,113,623,963.75
  5. Step 5: Solve for x
    x = 359,114,113,623,963.75/21,752,760.74
  6. Step 6: Final answer
    x = 16,508,898.25

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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.