Home / 11,547,642.69-15,933,971.71-6,651,908.55

Finding the Fourth Proportional to 11,547,642.69, 15,933,971.71 and 6,651,908.55

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Solution

The fourth proportional to 11,547,642.69, 15,933,971.71 and 6,651,908.55 is: 9,178,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547,642.69 : 15,933,971.71 = 6,651,908.55 : x
  2. Step 2: Convert to fraction form
    11,547,642.69/15,933,971.71 = 6,651,908.55/x
  3. Step 3: Cross multiply
    11,547,642.69x = 15,933,971.71 × 6,651,908.55
  4. Step 4: Simplify right side
    11,547,642.69x = 105,991,322,653,207.12
  5. Step 5: Solve for x
    x = 105,991,322,653,207.12/11,547,642.69
  6. Step 6: Final answer
    x = 9,178,611.21

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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.