Home / 15,229,398.25-21,016,570.80-8,353,897.93

Finding the Fourth Proportional to 15,229,398.25, 21,016,570.80 and 8,353,897.93

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Solution

The fourth proportional to 15,229,398.25, 21,016,570.80 and 8,353,897.93 is: 11,528,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,398.25 : 21,016,570.80 = 8,353,897.93 : x
  2. Step 2: Convert to fraction form
    15,229,398.25/21,016,570.80 = 8,353,897.93/x
  3. Step 3: Cross multiply
    15,229,398.25x = 21,016,570.80 × 8,353,897.93
  4. Step 4: Simplify right side
    15,229,398.25x = 175,570,287,301,818.44
  5. Step 5: Solve for x
    x = 175,570,287,301,818.44/15,229,398.25
  6. Step 6: Final answer
    x = 11,528,379.81

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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.