Home / 18,918,899.30-26,108,080.02-10,217,071.07

Finding the Fourth Proportional to 18,918,899.30, 26,108,080.02 and 10,217,071.07

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Solution

The fourth proportional to 18,918,899.30, 26,108,080.02 and 10,217,071.07 is: 14,099,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,899.30 : 26,108,080.02 = 10,217,071.07 : x
  2. Step 2: Convert to fraction form
    18,918,899.30/26,108,080.02 = 10,217,071.07/x
  3. Step 3: Cross multiply
    18,918,899.30x = 26,108,080.02 × 10,217,071.07
  4. Step 4: Simplify right side
    18,918,899.30x = 266,748,108,935,046.59
  5. Step 5: Solve for x
    x = 266,748,108,935,046.59/18,918,899.30
  6. Step 6: Final answer
    x = 14,099,557.53

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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.