Home / 8,511,139.04-12,755,678.08-3,456,577.76

Finding the Fourth Proportional to 8,511,139.04, 12,755,678.08 and 3,456,577.76

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Solution

The fourth proportional to 8,511,139.04, 12,755,678.08 and 3,456,577.76 is: 5,180,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,139.04 : 12,755,678.08 = 3,456,577.76 : x
  2. Step 2: Convert to fraction form
    8,511,139.04/12,755,678.08 = 3,456,577.76/x
  3. Step 3: Cross multiply
    8,511,139.04x = 12,755,678.08 × 3,456,577.76
  4. Step 4: Simplify right side
    8,511,139.04x = 44,090,993,165,047.50
  5. Step 5: Solve for x
    x = 44,090,993,165,047.50/8,511,139.04
  6. Step 6: Final answer
    x = 5,180,386.90

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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.