Home / 28,474,754.23-39,294,964.86-15,421,714.29

Finding the Fourth Proportional to 28,474,754.23, 39,294,964.86 and 15,421,714.29

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Solution

The fourth proportional to 28,474,754.23, 39,294,964.86 and 15,421,714.29 is: 21,281,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,754.23 : 39,294,964.86 = 15,421,714.29 : x
  2. Step 2: Convert to fraction form
    28,474,754.23/39,294,964.86 = 15,421,714.29/x
  3. Step 3: Cross multiply
    28,474,754.23x = 39,294,964.86 × 15,421,714.29
  4. Step 4: Simplify right side
    28,474,754.23x = 605,995,721,106,509.75
  5. Step 5: Solve for x
    x = 605,995,721,106,509.75/28,474,754.23
  6. Step 6: Final answer
    x = 21,281,859.58

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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.