Home / 31,503,814.10-47,184,862.35-18,749,230.10

Finding the Fourth Proportional to 31,503,814.10, 47,184,862.35 and 18,749,230.10

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Solution

The fourth proportional to 31,503,814.10, 47,184,862.35 and 18,749,230.10 is: 28,081,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,814.10 : 47,184,862.35 = 18,749,230.10 : x
  2. Step 2: Convert to fraction form
    31,503,814.10/47,184,862.35 = 18,749,230.10/x
  3. Step 3: Cross multiply
    31,503,814.10x = 47,184,862.35 × 18,749,230.10
  4. Step 4: Simplify right side
    31,503,814.10x = 884,679,841,436,976.88
  5. Step 5: Solve for x
    x = 884,679,841,436,976.88/31,503,814.10
  6. Step 6: Final answer
    x = 28,081,674.13

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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.