Home / 9,860,702.87-13,607,838.35-5,509,972.55

Finding the Fourth Proportional to 9,860,702.87, 13,607,838.35 and 5,509,972.55

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Solution

The fourth proportional to 9,860,702.87, 13,607,838.35 and 5,509,972.55 is: 7,603,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,702.87 : 13,607,838.35 = 5,509,972.55 : x
  2. Step 2: Convert to fraction form
    9,860,702.87/13,607,838.35 = 5,509,972.55/x
  3. Step 3: Cross multiply
    9,860,702.87x = 13,607,838.35 × 5,509,972.55
  4. Step 4: Simplify right side
    9,860,702.87x = 74,978,815,831,463.02
  5. Step 5: Solve for x
    x = 74,978,815,831,463.02/9,860,702.87
  6. Step 6: Final answer
    x = 7,603,800.34

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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.