Home / 21,266,558.10-31,899,837.15-10,489,022.10

Finding the Fourth Proportional to 21,266,558.10, 31,899,837.15 and 10,489,022.10

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Solution

The fourth proportional to 21,266,558.10, 31,899,837.15 and 10,489,022.10 is: 15,733,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266,558.10 : 31,899,837.15 = 10,489,022.10 : x
  2. Step 2: Convert to fraction form
    21,266,558.10/31,899,837.15 = 10,489,022.10/x
  3. Step 3: Cross multiply
    21,266,558.10x = 31,899,837.15 × 10,489,022.10
  4. Step 4: Simplify right side
    21,266,558.10x = 334,598,096,852,751
  5. Step 5: Solve for x
    x = 334,598,096,852,751/21,266,558.10
  6. Step 6: Final answer
    x = 15,733,533.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.