Home / 28,033,705.66-38,686,521.51-15,474,767.92

Finding the Fourth Proportional to 28,033,705.66, 38,686,521.51 and 15,474,767.92

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Solution

The fourth proportional to 28,033,705.66, 38,686,521.51 and 15,474,767.92 is: 21,355,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,705.66 : 38,686,521.51 = 15,474,767.92 : x
  2. Step 2: Convert to fraction form
    28,033,705.66/38,686,521.51 = 15,474,767.92/x
  3. Step 3: Cross multiply
    28,033,705.66x = 38,686,521.51 × 15,474,767.92
  4. Step 4: Simplify right side
    28,033,705.66x = 598,664,941,999,337.88
  5. Step 5: Solve for x
    x = 598,664,941,999,337.88/28,033,705.66
  6. Step 6: Final answer
    x = 21,355,183.98

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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.