Home / 31,056,417.60-46,626,616.80-19,719,009.60

Finding the Fourth Proportional to 31,056,417.60, 46,626,616.80 and 19,719,009.60

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Solution

The fourth proportional to 31,056,417.60, 46,626,616.80 and 19,719,009.60 is: 29,605,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056,417.60 : 46,626,616.80 = 19,719,009.60 : x
  2. Step 2: Convert to fraction form
    31,056,417.60/46,626,616.80 = 19,719,009.60/x
  3. Step 3: Cross multiply
    31,056,417.60x = 46,626,616.80 × 19,719,009.60
  4. Step 4: Simplify right side
    31,056,417.60x = 919,430,704,294,721.25
  5. Step 5: Solve for x
    x = 919,430,704,294,721.25/31,056,417.60
  6. Step 6: Final answer
    x = 29,605,175.85

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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.