Home / 10,881,618.80-16,322,428.20-9,705,887.60

Finding the Fourth Proportional to 10,881,618.80, 16,322,428.20 and 9,705,887.60

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Solution

The fourth proportional to 10,881,618.80, 16,322,428.20 and 9,705,887.60 is: 14,558,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,618.80 : 16,322,428.20 = 9,705,887.60 : x
  2. Step 2: Convert to fraction form
    10,881,618.80/16,322,428.20 = 9,705,887.60/x
  3. Step 3: Cross multiply
    10,881,618.80x = 16,322,428.20 × 9,705,887.60
  4. Step 4: Simplify right side
    10,881,618.80x = 158,423,653,468,270.31
  5. Step 5: Solve for x
    x = 158,423,653,468,270.31/10,881,618.80
  6. Step 6: Final answer
    x = 14,558,831.40

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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.