Home / 28,978,853.60-43,440,632.40-10,778,175.20

Finding the Fourth Proportional to 28,978,853.60, 43,440,632.40 and 10,778,175.20

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Solution

The fourth proportional to 28,978,853.60, 43,440,632.40 and 10,778,175.20 is: 16,156,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,853.60 : 43,440,632.40 = 10,778,175.20 : x
  2. Step 2: Convert to fraction form
    28,978,853.60/43,440,632.40 = 10,778,175.20/x
  3. Step 3: Cross multiply
    28,978,853.60x = 43,440,632.40 × 10,778,175.20
  4. Step 4: Simplify right side
    28,978,853.60x = 468,210,746,805,996.44
  5. Step 5: Solve for x
    x = 468,210,746,805,996.44/28,978,853.60
  6. Step 6: Final answer
    x = 16,156,979.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.