Home / 31,104,090.40-46,639,546.80-13,132,890.40

Finding the Fourth Proportional to 31,104,090.40, 46,639,546.80 and 13,132,890.40

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Solution

The fourth proportional to 31,104,090.40, 46,639,546.80 and 13,132,890.40 is: 19,692,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,090.40 : 46,639,546.80 = 13,132,890.40 : x
  2. Step 2: Convert to fraction form
    31,104,090.40/46,639,546.80 = 13,132,890.40/x
  3. Step 3: Cross multiply
    31,104,090.40x = 46,639,546.80 × 13,132,890.40
  4. Step 4: Simplify right side
    31,104,090.40x = 612,512,056,430,070.75
  5. Step 5: Solve for x
    x = 612,512,056,430,070.75/31,104,090.40
  6. Step 6: Final answer
    x = 19,692,331.41

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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.