Home / 19,423,999.80-29,135,999.70-15,833,820.60

Finding the Fourth Proportional to 19,423,999.80, 29,135,999.70 and 15,833,820.60

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Solution

The fourth proportional to 19,423,999.80, 29,135,999.70 and 15,833,820.60 is: 23,750,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,999.80 : 29,135,999.70 = 15,833,820.60 : x
  2. Step 2: Convert to fraction form
    19,423,999.80/29,135,999.70 = 15,833,820.60/x
  3. Step 3: Cross multiply
    19,423,999.80x = 29,135,999.70 × 15,833,820.60
  4. Step 4: Simplify right side
    19,423,999.80x = 461,334,192,251,453.81
  5. Step 5: Solve for x
    x = 461,334,192,251,453.81/19,423,999.80
  6. Step 6: Final answer
    x = 23,750,730.90

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1.5x scale

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.