Home / 21,002,837.40-31,500,368.10-5,853,634.20

Finding the Fourth Proportional to 21,002,837.40, 31,500,368.10 and 5,853,634.20

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Solution

The fourth proportional to 21,002,837.40, 31,500,368.10 and 5,853,634.20 is: 8,779,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,837.40 : 31,500,368.10 = 5,853,634.20 : x
  2. Step 2: Convert to fraction form
    21,002,837.40/31,500,368.10 = 5,853,634.20/x
  3. Step 3: Cross multiply
    21,002,837.40x = 31,500,368.10 × 5,853,634.20
  4. Step 4: Simplify right side
    21,002,837.40x = 184,391,632,022,749.03
  5. Step 5: Solve for x
    x = 184,391,632,022,749.03/21,002,837.40
  6. Step 6: Final answer
    x = 8,779,367.69

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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.