Home / 10,425,340.39-14,378,438.98-7,338,083.71

Finding the Fourth Proportional to 10,425,340.39, 14,378,438.98 and 7,338,083.71

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Solution

The fourth proportional to 10,425,340.39, 14,378,438.98 and 7,338,083.71 is: 10,120,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,340.39 : 14,378,438.98 = 7,338,083.71 : x
  2. Step 2: Convert to fraction form
    10,425,340.39/14,378,438.98 = 7,338,083.71/x
  3. Step 3: Cross multiply
    10,425,340.39x = 14,378,438.98 × 7,338,083.71
  4. Step 4: Simplify right side
    10,425,340.39x = 105,510,188,800,075.70
  5. Step 5: Solve for x
    x = 105,510,188,800,075.70/10,425,340.39
  6. Step 6: Final answer
    x = 10,120,550.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.