Home / 38,325,686.40-57,488,529.60-19,159,401.60

Finding the Fourth Proportional to 38,325,686.40, 57,488,529.60 and 19,159,401.60

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Solution

The fourth proportional to 38,325,686.40, 57,488,529.60 and 19,159,401.60 is: 28,739,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325,686.40 : 57,488,529.60 = 19,159,401.60 : x
  2. Step 2: Convert to fraction form
    38,325,686.40/57,488,529.60 = 19,159,401.60/x
  3. Step 3: Cross multiply
    38,325,686.40x = 57,488,529.60 × 19,159,401.60
  4. Step 4: Simplify right side
    38,325,686.40x = 1,101,445,825,999,887.50
  5. Step 5: Solve for x
    x = 1,101,445,825,999,887.50/38,325,686.40
  6. Step 6: Final answer
    x = 28,739,102.40

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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.