Home / 8,679,678.15-12,993,977.01-5,793,887.16

Finding the Fourth Proportional to 8,679,678.15, 12,993,977.01 and 5,793,887.16

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Solution

The fourth proportional to 8,679,678.15, 12,993,977.01 and 5,793,887.16 is: 8,673,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,678.15 : 12,993,977.01 = 5,793,887.16 : x
  2. Step 2: Convert to fraction form
    8,679,678.15/12,993,977.01 = 5,793,887.16/x
  3. Step 3: Cross multiply
    8,679,678.15x = 12,993,977.01 × 5,793,887.16
  4. Step 4: Simplify right side
    8,679,678.15x = 75,285,636,555,574.19
  5. Step 5: Solve for x
    x = 75,285,636,555,574.19/8,679,678.15
  6. Step 6: Final answer
    x = 8,673,782.05

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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.