Home / 6,603,765.60-9,905,648.40-5,658,981.60

Finding the Fourth Proportional to 6,603,765.60, 9,905,648.40 and 5,658,981.60

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Solution

The fourth proportional to 6,603,765.60, 9,905,648.40 and 5,658,981.60 is: 8,488,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,765.60 : 9,905,648.40 = 5,658,981.60 : x
  2. Step 2: Convert to fraction form
    6,603,765.60/9,905,648.40 = 5,658,981.60/x
  3. Step 3: Cross multiply
    6,603,765.60x = 9,905,648.40 × 5,658,981.60
  4. Step 4: Simplify right side
    6,603,765.60x = 56,055,882,031,669.44
  5. Step 5: Solve for x
    x = 56,055,882,031,669.44/6,603,765.60
  6. Step 6: Final answer
    x = 8,488,472.40

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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.