Home / 8,736,006.80-13,104,010.20-7,822,715.60

Finding the Fourth Proportional to 8,736,006.80, 13,104,010.20 and 7,822,715.60

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Solution

The fourth proportional to 8,736,006.80, 13,104,010.20 and 7,822,715.60 is: 11,734,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,006.80 : 13,104,010.20 = 7,822,715.60 : x
  2. Step 2: Convert to fraction form
    8,736,006.80/13,104,010.20 = 7,822,715.60/x
  3. Step 3: Cross multiply
    8,736,006.80x = 13,104,010.20 × 7,822,715.60
  4. Step 4: Simplify right side
    8,736,006.80x = 102,508,945,014,099.11
  5. Step 5: Solve for x
    x = 102,508,945,014,099.11/8,736,006.80
  6. Step 6: Final answer
    x = 11,734,073.40

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1.5x scale

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.