Home / 15,570,697.47-21,487,742.85-8,601,230.64

Finding the Fourth Proportional to 15,570,697.47, 21,487,742.85 and 8,601,230.64

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Solution

The fourth proportional to 15,570,697.47, 21,487,742.85 and 8,601,230.64 is: 11,869,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,697.47 : 21,487,742.85 = 8,601,230.64 : x
  2. Step 2: Convert to fraction form
    15,570,697.47/21,487,742.85 = 8,601,230.64/x
  3. Step 3: Cross multiply
    15,570,697.47x = 21,487,742.85 × 8,601,230.64
  4. Step 4: Simplify right side
    15,570,697.47x = 184,821,032,185,860.94
  5. Step 5: Solve for x
    x = 184,821,032,185,860.94/15,570,697.47
  6. Step 6: Final answer
    x = 11,869,797.90

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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.