Home / 31,214,656.29-46,728,697.79-18,881,295.16

Finding the Fourth Proportional to 31,214,656.29, 46,728,697.79 and 18,881,295.16

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Solution

The fourth proportional to 31,214,656.29, 46,728,697.79 and 18,881,295.16 is: 28,265,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214,656.29 : 46,728,697.79 = 18,881,295.16 : x
  2. Step 2: Convert to fraction form
    31,214,656.29/46,728,697.79 = 18,881,295.16/x
  3. Step 3: Cross multiply
    31,214,656.29x = 46,728,697.79 × 18,881,295.16
  4. Step 4: Simplify right side
    31,214,656.29x = 882,298,335,327,220.25
  5. Step 5: Solve for x
    x = 882,298,335,327,220.25/31,214,656.29
  6. Step 6: Final answer
    x = 28,265,514.99

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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.