Home / 8,583,416.80-12,875,125.20-7,637,855.20

Finding the Fourth Proportional to 8,583,416.80, 12,875,125.20 and 7,637,855.20

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Solution

The fourth proportional to 8,583,416.80, 12,875,125.20 and 7,637,855.20 is: 11,456,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,416.80 : 12,875,125.20 = 7,637,855.20 : x
  2. Step 2: Convert to fraction form
    8,583,416.80/12,875,125.20 = 7,637,855.20/x
  3. Step 3: Cross multiply
    8,583,416.80x = 12,875,125.20 × 7,637,855.20
  4. Step 4: Simplify right side
    8,583,416.80x = 98,338,341,959,471.03
  5. Step 5: Solve for x
    x = 98,338,341,959,471.03/8,583,416.80
  6. Step 6: Final answer
    x = 11,456,782.80

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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.