Home / 15,762,833.69-21,752,700.66-8,519,489.69

Finding the Fourth Proportional to 15,762,833.69, 21,752,700.66 and 8,519,489.69

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Solution

The fourth proportional to 15,762,833.69, 21,752,700.66 and 8,519,489.69 is: 11,756,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,833.69 : 21,752,700.66 = 8,519,489.69 : x
  2. Step 2: Convert to fraction form
    15,762,833.69/21,752,700.66 = 8,519,489.69/x
  3. Step 3: Cross multiply
    15,762,833.69x = 21,752,700.66 × 8,519,489.69
  4. Step 4: Simplify right side
    15,762,833.69x = 185,321,908,893,762.72
  5. Step 5: Solve for x
    x = 185,321,908,893,762.72/15,762,833.69
  6. Step 6: Final answer
    x = 11,756,890.45

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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.