Home / 8,392,392.69-12,588,547.47-7,251,683.56

Finding the Fourth Proportional to 8,392,392.69, 12,588,547.47 and 7,251,683.56

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Solution

The fourth proportional to 8,392,392.69, 12,588,547.47 and 7,251,683.56 is: 10,877,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,392.69 : 12,588,547.47 = 7,251,683.56 : x
  2. Step 2: Convert to fraction form
    8,392,392.69/12,588,547.47 = 7,251,683.56/x
  3. Step 3: Cross multiply
    8,392,392.69x = 12,588,547.47 × 7,251,683.56
  4. Step 4: Simplify right side
    8,392,392.69x = 91,288,162,673,813.42
  5. Step 5: Solve for x
    x = 91,288,162,673,813.42/8,392,392.69
  6. Step 6: Final answer
    x = 10,877,489.42

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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.