Home / 14,015,087.70-21,022,631.55-6,442,053.45

Finding the Fourth Proportional to 14,015,087.70, 21,022,631.55 and 6,442,053.45

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Solution

The fourth proportional to 14,015,087.70, 21,022,631.55 and 6,442,053.45 is: 9,663,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,087.70 : 21,022,631.55 = 6,442,053.45 : x
  2. Step 2: Convert to fraction form
    14,015,087.70/21,022,631.55 = 6,442,053.45/x
  3. Step 3: Cross multiply
    14,015,087.70x = 21,022,631.55 × 6,442,053.45
  4. Step 4: Simplify right side
    14,015,087.70x = 135,428,916,104,756.36
  5. Step 5: Solve for x
    x = 135,428,916,104,756.36/14,015,087.70
  6. Step 6: Final answer
    x = 9,663,080.18

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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.