Home / 31,214,657.29-46,728,699.28-18,881,296.16

Finding the Fourth Proportional to 31,214,657.29, 46,728,699.28 and 18,881,296.16

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Solution

The fourth proportional to 31,214,657.29, 46,728,699.28 and 18,881,296.16 is: 28,265,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214,657.29 : 46,728,699.28 = 18,881,296.16 : x
  2. Step 2: Convert to fraction form
    31,214,657.29/46,728,699.28 = 18,881,296.16/x
  3. Step 3: Cross multiply
    31,214,657.29x = 46,728,699.28 × 18,881,296.16
  4. Step 4: Simplify right side
    31,214,657.29x = 882,298,410,277,258.75
  5. Step 5: Solve for x
    x = 882,298,410,277,258.75/31,214,657.29
  6. Step 6: Final answer
    x = 28,265,516.49

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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.