Home / 12,176,680.65-16,797,448.53-7,528,980

Finding the Fourth Proportional to 12,176,680.65, 16,797,448.53 and 7,528,980

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Solution

The fourth proportional to 12,176,680.65, 16,797,448.53 and 7,528,980 is: 10,386,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176,680.65 : 16,797,448.53 = 7,528,980 : x
  2. Step 2: Convert to fraction form
    12,176,680.65/16,797,448.53 = 7,528,980/x
  3. Step 3: Cross multiply
    12,176,680.65x = 16,797,448.53 × 7,528,980
  4. Step 4: Simplify right side
    12,176,680.65x = 126,467,654,033,399.41
  5. Step 5: Solve for x
    x = 126,467,654,033,399.41/12,176,680.65
  6. Step 6: Final answer
    x = 10,386,053.28

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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.