Home / 12,768,585.30-19,152,899.82-10,225,971.81

Finding the Fourth Proportional to 12,768,585.30, 19,152,899.82 and 10,225,971.81

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Solution

The fourth proportional to 12,768,585.30, 19,152,899.82 and 10,225,971.81 is: 15,338,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,585.30 : 19,152,899.82 = 10,225,971.81 : x
  2. Step 2: Convert to fraction form
    12,768,585.30/19,152,899.82 = 10,225,971.81/x
  3. Step 3: Cross multiply
    12,768,585.30x = 19,152,899.82 × 10,225,971.81
  4. Step 4: Simplify right side
    12,768,585.30x = 195,857,013,639,074.09
  5. Step 5: Solve for x
    x = 195,857,013,639,074.09/12,768,585.30
  6. Step 6: Final answer
    x = 15,338,975.23

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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.