Home / 19,360,066.20-29,040,099.30-18,478,267.80

Finding the Fourth Proportional to 19,360,066.20, 29,040,099.30 and 18,478,267.80

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Solution

The fourth proportional to 19,360,066.20, 29,040,099.30 and 18,478,267.80 is: 27,717,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,066.20 : 29,040,099.30 = 18,478,267.80 : x
  2. Step 2: Convert to fraction form
    19,360,066.20/29,040,099.30 = 18,478,267.80/x
  3. Step 3: Cross multiply
    19,360,066.20x = 29,040,099.30 × 18,478,267.80
  4. Step 4: Simplify right side
    19,360,066.20x = 536,610,731,803,992.56
  5. Step 5: Solve for x
    x = 536,610,731,803,992.56/19,360,066.20
  6. Step 6: Final answer
    x = 27,717,401.70

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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.