Home / 21,032,921.60-31,536,940.80-10,955,225.60

Finding the Fourth Proportional to 21,032,921.60, 31,536,940.80 and 10,955,225.60

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Solution

The fourth proportional to 21,032,921.60, 31,536,940.80 and 10,955,225.60 is: 16,426,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,921.60 : 31,536,940.80 = 10,955,225.60 : x
  2. Step 2: Convert to fraction form
    21,032,921.60/31,536,940.80 = 10,955,225.60/x
  3. Step 3: Cross multiply
    21,032,921.60x = 31,536,940.80 × 10,955,225.60
  4. Step 4: Simplify right side
    21,032,921.60x = 345,494,301,197,844.50
  5. Step 5: Solve for x
    x = 345,494,301,197,844.50/21,032,921.60
  6. Step 6: Final answer
    x = 16,426,358.06

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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.