Home / 12,478,464.80-18,717,697.20-6,101,172.80

Finding the Fourth Proportional to 12,478,464.80, 18,717,697.20 and 6,101,172.80

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Solution

The fourth proportional to 12,478,464.80, 18,717,697.20 and 6,101,172.80 is: 9,151,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,464.80 : 18,717,697.20 = 6,101,172.80 : x
  2. Step 2: Convert to fraction form
    12,478,464.80/18,717,697.20 = 6,101,172.80/x
  3. Step 3: Cross multiply
    12,478,464.80x = 18,717,697.20 × 6,101,172.80
  4. Step 4: Simplify right side
    12,478,464.80x = 114,199,905,035,276.16
  5. Step 5: Solve for x
    x = 114,199,905,035,276.16/12,478,464.80
  6. Step 6: Final answer
    x = 9,151,759.20

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1.5x scale

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.