Home / 18,918,899.35-26,108,080.11-10,217,071.12

Finding the Fourth Proportional to 18,918,899.35, 26,108,080.11 and 10,217,071.12

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Solution

The fourth proportional to 18,918,899.35, 26,108,080.11 and 10,217,071.12 is: 14,099,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,899.35 : 26,108,080.11 = 10,217,071.12 : x
  2. Step 2: Convert to fraction form
    18,918,899.35/26,108,080.11 = 10,217,071.12/x
  3. Step 3: Cross multiply
    18,918,899.35x = 26,108,080.11 × 10,217,071.12
  4. Step 4: Simplify right side
    18,918,899.35x = 266,748,111,290,527.41
  5. Step 5: Solve for x
    x = 266,748,111,290,527.41/18,918,899.35
  6. Step 6: Final answer
    x = 14,099,557.61

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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.