Home / 31,526,017.39-47,291,021.11-13,326,819.94

Finding the Fourth Proportional to 31,526,017.39, 47,291,021.11 and 13,326,819.94

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Solution

The fourth proportional to 31,526,017.39, 47,291,021.11 and 13,326,819.94 is: 19,991,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526,017.39 : 47,291,021.11 = 13,326,819.94 : x
  2. Step 2: Convert to fraction form
    31,526,017.39/47,291,021.11 = 13,326,819.94/x
  3. Step 3: Cross multiply
    31,526,017.39x = 47,291,021.11 × 13,326,819.94
  4. Step 4: Simplify right side
    31,526,017.39x = 630,238,922,875,253.88
  5. Step 5: Solve for x
    x = 630,238,922,875,253.88/31,526,017.39
  6. Step 6: Final answer
    x = 19,991,073.25

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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.