Home / 13,819,216.87-19,070,585.61-7,624,263.27

Finding the Fourth Proportional to 13,819,216.87, 19,070,585.61 and 7,624,263.27

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Solution

The fourth proportional to 13,819,216.87, 19,070,585.61 and 7,624,263.27 is: 10,521,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,216.87 : 19,070,585.61 = 7,624,263.27 : x
  2. Step 2: Convert to fraction form
    13,819,216.87/19,070,585.61 = 7,624,263.27/x
  3. Step 3: Cross multiply
    13,819,216.87x = 19,070,585.61 × 7,624,263.27
  4. Step 4: Simplify right side
    13,819,216.87x = 145,399,165,403,713.53
  5. Step 5: Solve for x
    x = 145,399,165,403,713.53/13,819,216.87
  6. Step 6: Final answer
    x = 10,521,519.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.