Home / 8,377,720.25-12,566,706.80-3,190,616.96

Finding the Fourth Proportional to 8,377,720.25, 12,566,706.80 and 3,190,616.96

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Solution

The fourth proportional to 8,377,720.25, 12,566,706.80 and 3,190,616.96 is: 4,785,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377,720.25 : 12,566,706.80 = 3,190,616.96 : x
  2. Step 2: Convert to fraction form
    8,377,720.25/12,566,706.80 = 3,190,616.96/x
  3. Step 3: Cross multiply
    8,377,720.25x = 12,566,706.80 × 3,190,616.96
  4. Step 4: Simplify right side
    8,377,720.25x = 40,095,547,768,640.71
  5. Step 5: Solve for x
    x = 40,095,547,768,640.71/8,377,720.25
  6. Step 6: Final answer
    x = 4,785,973.58

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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.