Home / 9,965,007.80-14,947,511.70-8,169,918.20

Finding the Fourth Proportional to 9,965,007.80, 14,947,511.70 and 8,169,918.20

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Solution

The fourth proportional to 9,965,007.80, 14,947,511.70 and 8,169,918.20 is: 12,254,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,007.80 : 14,947,511.70 = 8,169,918.20 : x
  2. Step 2: Convert to fraction form
    9,965,007.80/14,947,511.70 = 8,169,918.20/x
  3. Step 3: Cross multiply
    9,965,007.80x = 14,947,511.70 × 8,169,918.20
  4. Step 4: Simplify right side
    9,965,007.80x = 122,119,947,882,542.94
  5. Step 5: Solve for x
    x = 122,119,947,882,542.94/9,965,007.80
  6. Step 6: Final answer
    x = 12,254,877.30

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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.