Home / 28,010,698.24-38,654,726.16-15,133,642.24

Finding the Fourth Proportional to 28,010,698.24, 38,654,726.16 and 15,133,642.24

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Solution

The fourth proportional to 28,010,698.24, 38,654,726.16 and 15,133,642.24 is: 20,884,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010,698.24 : 38,654,726.16 = 15,133,642.24 : x
  2. Step 2: Convert to fraction form
    28,010,698.24/38,654,726.16 = 15,133,642.24/x
  3. Step 3: Cross multiply
    28,010,698.24x = 38,654,726.16 × 15,133,642.24
  4. Step 4: Simplify right side
    28,010,698.24x = 584,986,796,590,609
  5. Step 5: Solve for x
    x = 584,986,796,590,609/28,010,698.24
  6. Step 6: Final answer
    x = 20,884,406.08

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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.