Home / 18,686,720.70-27,999,900.45-10,575,575.10

Finding the Fourth Proportional to 18,686,720.70, 27,999,900.45 and 10,575,575.10

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Solution

The fourth proportional to 18,686,720.70, 27,999,900.45 and 10,575,575.10 is: 15,846,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,720.70 : 27,999,900.45 = 10,575,575.10 : x
  2. Step 2: Convert to fraction form
    18,686,720.70/27,999,900.45 = 10,575,575.10/x
  3. Step 3: Cross multiply
    18,686,720.70x = 27,999,900.45 × 10,575,575.10
  4. Step 4: Simplify right side
    18,686,720.70x = 296,115,050,001,498.75
  5. Step 5: Solve for x
    x = 296,115,050,001,498.75/18,686,720.70
  6. Step 6: Final answer
    x = 15,846,282.22

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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.