Home / 13,503,946.01-18,635,444.07-7,308,991.64

Finding the Fourth Proportional to 13,503,946.01, 18,635,444.07 and 7,308,991.64

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Solution

The fourth proportional to 13,503,946.01, 18,635,444.07 and 7,308,991.64 is: 10,086,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,946.01 : 18,635,444.07 = 7,308,991.64 : x
  2. Step 2: Convert to fraction form
    13,503,946.01/18,635,444.07 = 7,308,991.64/x
  3. Step 3: Cross multiply
    13,503,946.01x = 18,635,444.07 × 7,308,991.64
  4. Step 4: Simplify right side
    13,503,946.01x = 136,206,304,822,140.36
  5. Step 5: Solve for x
    x = 136,206,304,822,140.36/13,503,946.01
  6. Step 6: Final answer
    x = 10,086,407.69

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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.