Home / 21,308,635.60-31,962,953.40-9,341,371.60

Finding the Fourth Proportional to 21,308,635.60, 31,962,953.40 and 9,341,371.60

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Solution

The fourth proportional to 21,308,635.60, 31,962,953.40 and 9,341,371.60 is: 14,012,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,635.60 : 31,962,953.40 = 9,341,371.60 : x
  2. Step 2: Convert to fraction form
    21,308,635.60/31,962,953.40 = 9,341,371.60/x
  3. Step 3: Cross multiply
    21,308,635.60x = 31,962,953.40 × 9,341,371.60
  4. Step 4: Simplify right side
    21,308,635.60x = 298,577,825,142,883.44
  5. Step 5: Solve for x
    x = 298,577,825,142,883.44/21,308,635.60
  6. Step 6: Final answer
    x = 14,012,057.40

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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.