Home / 10,083,071.20-15,130,511.70-3,693,969.40

Finding the Fourth Proportional to 10,083,071.20, 15,130,511.70 and 3,693,969.40

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Solution

The fourth proportional to 10,083,071.20, 15,130,511.70 and 3,693,969.40 is: 5,543,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083,071.20 : 15,130,511.70 = 3,693,969.40 : x
  2. Step 2: Convert to fraction form
    10,083,071.20/15,130,511.70 = 3,693,969.40/x
  3. Step 3: Cross multiply
    10,083,071.20x = 15,130,511.70 × 3,693,969.40
  4. Step 4: Simplify right side
    10,083,071.20x = 55,891,647,226,141.98
  5. Step 5: Solve for x
    x = 55,891,647,226,141.98/10,083,071.20
  6. Step 6: Final answer
    x = 5,543,117.38

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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.