Home / 13,603,693.18-18,773,944.95-7,492,120.06

Finding the Fourth Proportional to 13,603,693.18, 18,773,944.95 and 7,492,120.06

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Solution

The fourth proportional to 13,603,693.18, 18,773,944.95 and 7,492,120.06 is: 10,339,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,693.18 : 18,773,944.95 = 7,492,120.06 : x
  2. Step 2: Convert to fraction form
    13,603,693.18/18,773,944.95 = 7,492,120.06/x
  3. Step 3: Cross multiply
    13,603,693.18x = 18,773,944.95 × 7,492,120.06
  4. Step 4: Simplify right side
    13,603,693.18x = 140,656,649,565,230.69
  5. Step 5: Solve for x
    x = 140,656,649,565,230.69/13,603,693.18
  6. Step 6: Final answer
    x = 10,339,592.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.