Home / 31,526,017.89-47,291,021.86-13,326,820.44

Finding the Fourth Proportional to 31,526,017.89, 47,291,021.86 and 13,326,820.44

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Solution

The fourth proportional to 31,526,017.89, 47,291,021.86 and 13,326,820.44 is: 19,991,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526,017.89 : 47,291,021.86 = 13,326,820.44 : x
  2. Step 2: Convert to fraction form
    31,526,017.89/47,291,021.86 = 13,326,820.44/x
  3. Step 3: Cross multiply
    31,526,017.89x = 47,291,021.86 × 13,326,820.44
  4. Step 4: Simplify right side
    31,526,017.89x = 630,238,956,515,879.75
  5. Step 5: Solve for x
    x = 630,238,956,515,879.75/31,526,017.89
  6. Step 6: Final answer
    x = 19,991,074.00

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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.