Home / 7,371,007.80-11,056,511.70-5,457,820.20

Finding the Fourth Proportional to 7,371,007.80, 11,056,511.70 and 5,457,820.20

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Solution

The fourth proportional to 7,371,007.80, 11,056,511.70 and 5,457,820.20 is: 8,186,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371,007.80 : 11,056,511.70 = 5,457,820.20 : x
  2. Step 2: Convert to fraction form
    7,371,007.80/11,056,511.70 = 5,457,820.20/x
  3. Step 3: Cross multiply
    7,371,007.80x = 11,056,511.70 × 5,457,820.20
  4. Step 4: Simplify right side
    7,371,007.80x = 60,344,452,897,796.34
  5. Step 5: Solve for x
    x = 60,344,452,897,796.34/7,371,007.80
  6. Step 6: Final answer
    x = 8,186,730.30

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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.