Home / 15,341,492.94-21,170,933.88-8,371,939.47

Finding the Fourth Proportional to 15,341,492.94, 21,170,933.88 and 8,371,939.47

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Solution

The fourth proportional to 15,341,492.94, 21,170,933.88 and 8,371,939.47 is: 11,553,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341,492.94 : 21,170,933.88 = 8,371,939.47 : x
  2. Step 2: Convert to fraction form
    15,341,492.94/21,170,933.88 = 8,371,939.47/x
  3. Step 3: Cross multiply
    15,341,492.94x = 21,170,933.88 × 8,371,939.47
  4. Step 4: Simplify right side
    15,341,492.94x = 177,241,776,966,732.22
  5. Step 5: Solve for x
    x = 177,241,776,966,732.22/15,341,492.94
  6. Step 6: Final answer
    x = 11,553,098.36

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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.