Home / 8,583,406.80-12,875,110.20-7,637,845.20

Finding the Fourth Proportional to 8,583,406.80, 12,875,110.20 and 7,637,845.20

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Solution

The fourth proportional to 8,583,406.80, 12,875,110.20 and 7,637,845.20 is: 11,456,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,406.80 : 12,875,110.20 = 7,637,845.20 : x
  2. Step 2: Convert to fraction form
    8,583,406.80/12,875,110.20 = 7,637,845.20/x
  3. Step 3: Cross multiply
    8,583,406.80x = 12,875,110.20 × 7,637,845.20
  4. Step 4: Simplify right side
    8,583,406.80x = 98,338,098,640,541.03
  5. Step 5: Solve for x
    x = 98,338,098,640,541.03/8,583,406.80
  6. Step 6: Final answer
    x = 11,456,767.80

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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.