Home / 8,303,756.40-12,455,634.60-6,981,058.80

Finding the Fourth Proportional to 8,303,756.40, 12,455,634.60 and 6,981,058.80

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Solution

The fourth proportional to 8,303,756.40, 12,455,634.60 and 6,981,058.80 is: 10,471,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,756.40 : 12,455,634.60 = 6,981,058.80 : x
  2. Step 2: Convert to fraction form
    8,303,756.40/12,455,634.60 = 6,981,058.80/x
  3. Step 3: Cross multiply
    8,303,756.40x = 12,455,634.60 × 6,981,058.80
  4. Step 4: Simplify right side
    8,303,756.40x = 86,953,517,533,914.47
  5. Step 5: Solve for x
    x = 86,953,517,533,914.47/8,303,756.40
  6. Step 6: Final answer
    x = 10,471,588.20

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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.