Home / 30,914,869.10-42,660,853.47-17,162,948.30

Finding the Fourth Proportional to 30,914,869.10, 42,660,853.47 and 17,162,948.30

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Solution

The fourth proportional to 30,914,869.10, 42,660,853.47 and 17,162,948.30 is: 23,683,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914,869.10 : 42,660,853.47 = 17,162,948.30 : x
  2. Step 2: Convert to fraction form
    30,914,869.10/42,660,853.47 = 17,162,948.30/x
  3. Step 3: Cross multiply
    30,914,869.10x = 42,660,853.47 × 17,162,948.30
  4. Step 4: Simplify right side
    30,914,869.10x = 732,186,022,326,181.38
  5. Step 5: Solve for x
    x = 732,186,022,326,181.38/30,914,869.10
  6. Step 6: Final answer
    x = 23,683,943.80

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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.