Home / 18,521,905.32-25,559,897.76-10,261,801.80

Finding the Fourth Proportional to 18,521,905.32, 25,559,897.76 and 10,261,801.80

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Solution

The fourth proportional to 18,521,905.32, 25,559,897.76 and 10,261,801.80 is: 14,161,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,905.32 : 25,559,897.76 = 10,261,801.80 : x
  2. Step 2: Convert to fraction form
    18,521,905.32/25,559,897.76 = 10,261,801.80/x
  3. Step 3: Cross multiply
    18,521,905.32x = 25,559,897.76 × 10,261,801.80
  4. Step 4: Simplify right side
    18,521,905.32x = 262,290,604,841,384
  5. Step 5: Solve for x
    x = 262,290,604,841,384/18,521,905.32
  6. Step 6: Final answer
    x = 14,161,102.78

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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.