Home / 27,528,996.60-37,990,990.97-15,140,048.18

Finding the Fourth Proportional to 27,528,996.60, 37,990,990.97 and 15,140,048.18

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Solution

The fourth proportional to 27,528,996.60, 37,990,990.97 and 15,140,048.18 is: 20,893,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528,996.60 : 37,990,990.97 = 15,140,048.18 : x
  2. Step 2: Convert to fraction form
    27,528,996.60/37,990,990.97 = 15,140,048.18/x
  3. Step 3: Cross multiply
    27,528,996.60x = 37,990,990.97 × 15,140,048.18
  4. Step 4: Simplify right side
    27,528,996.60x = 575,185,433,711,022.25
  5. Step 5: Solve for x
    x = 575,185,433,711,022.25/27,528,996.60
  6. Step 6: Final answer
    x = 20,893,803.07

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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.