Home / 12,585,667.70-17,368,400.57-7,429,029.23

Finding the Fourth Proportional to 12,585,667.70, 17,368,400.57 and 7,429,029.23

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Solution

The fourth proportional to 12,585,667.70, 17,368,400.57 and 7,429,029.23 is: 10,252,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,667.70 : 17,368,400.57 = 7,429,029.23 : x
  2. Step 2: Convert to fraction form
    12,585,667.70/17,368,400.57 = 7,429,029.23/x
  3. Step 3: Cross multiply
    12,585,667.70x = 17,368,400.57 × 7,429,029.23
  4. Step 4: Simplify right side
    12,585,667.70x = 129,030,355,519,154.53
  5. Step 5: Solve for x
    x = 129,030,355,519,154.53/12,585,667.70
  6. Step 6: Final answer
    x = 10,252,166.08

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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.