Home / 52,007,745.90-78,011,618.85-13,673,135.10

Finding the Fourth Proportional to 52,007,745.90, 78,011,618.85 and 13,673,135.10

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Solution

The fourth proportional to 52,007,745.90, 78,011,618.85 and 13,673,135.10 is: 20,509,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,745.90 : 78,011,618.85 = 13,673,135.10 : x
  2. Step 2: Convert to fraction form
    52,007,745.90/78,011,618.85 = 13,673,135.10/x
  3. Step 3: Cross multiply
    52,007,745.90x = 78,011,618.85 × 13,673,135.10
  4. Step 4: Simplify right side
    52,007,745.90x = 1,066,663,403,905,756.50
  5. Step 5: Solve for x
    x = 1,066,663,403,905,756.50/52,007,745.90
  6. Step 6: Final answer
    x = 20,509,702.65

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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.