Home / 8,680,974.80-11,977,018.38-5,009,409.14

Finding the Fourth Proportional to 8,680,974.80, 11,977,018.38 and 5,009,409.14

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Solution

The fourth proportional to 8,680,974.80, 11,977,018.38 and 5,009,409.14 is: 6,911,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,974.80 : 11,977,018.38 = 5,009,409.14 : x
  2. Step 2: Convert to fraction form
    8,680,974.80/11,977,018.38 = 5,009,409.14/x
  3. Step 3: Cross multiply
    8,680,974.80x = 11,977,018.38 × 5,009,409.14
  4. Step 4: Simplify right side
    8,680,974.80x = 59,997,785,282,834.91
  5. Step 5: Solve for x
    x = 59,997,785,282,834.91/8,680,974.80
  6. Step 6: Final answer
    x = 6,911,411.07

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.