Home / 27,028,799.65-37,300,345.78-15,426,130.33

Finding the Fourth Proportional to 27,028,799.65, 37,300,345.78 and 15,426,130.33

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Solution

The fourth proportional to 27,028,799.65, 37,300,345.78 and 15,426,130.33 is: 21,288,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028,799.65 : 37,300,345.78 = 15,426,130.33 : x
  2. Step 2: Convert to fraction form
    27,028,799.65/37,300,345.78 = 15,426,130.33/x
  3. Step 3: Cross multiply
    27,028,799.65x = 37,300,345.78 × 15,426,130.33
  4. Step 4: Simplify right side
    27,028,799.65x = 575,399,995,140,121.50
  5. Step 5: Solve for x
    x = 575,399,995,140,121.50/27,028,799.65
  6. Step 6: Final answer
    x = 21,288,403.58

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1.5x scale

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.