Home / 12,656,753.60-18,980,464.80-6,264,881.60

Finding the Fourth Proportional to 12,656,753.60, 18,980,464.80 and 6,264,881.60

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Solution

The fourth proportional to 12,656,753.60, 18,980,464.80 and 6,264,881.60 is: 9,395,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656,753.60 : 18,980,464.80 = 6,264,881.60 : x
  2. Step 2: Convert to fraction form
    12,656,753.60/18,980,464.80 = 6,264,881.60/x
  3. Step 3: Cross multiply
    12,656,753.60x = 18,980,464.80 × 6,264,881.60
  4. Step 4: Simplify right side
    12,656,753.60x = 118,910,364,684,967.67
  5. Step 5: Solve for x
    x = 118,910,364,684,967.67/12,656,753.60
  6. Step 6: Final answer
    x = 9,395,013.01

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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.