Home / 13,146,634.40-19,719,951.60-8,899,901.60

Finding the Fourth Proportional to 13,146,634.40, 19,719,951.60 and 8,899,901.60

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Solution

The fourth proportional to 13,146,634.40, 19,719,951.60 and 8,899,901.60 is: 13,349,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,634.40 : 19,719,951.60 = 8,899,901.60 : x
  2. Step 2: Convert to fraction form
    13,146,634.40/19,719,951.60 = 8,899,901.60/x
  3. Step 3: Cross multiply
    13,146,634.40x = 19,719,951.60 × 8,899,901.60
  4. Step 4: Simplify right side
    13,146,634.40x = 175,505,628,796,762.56
  5. Step 5: Solve for x
    x = 175,505,628,796,762.56/13,146,634.40
  6. Step 6: Final answer
    x = 13,349,852.40

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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.