Home / 13,819,633.80-19,071,160.92-7,624,680.20

Finding the Fourth Proportional to 13,819,633.80, 19,071,160.92 and 7,624,680.20

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Solution

The fourth proportional to 13,819,633.80, 19,071,160.92 and 7,624,680.20 is: 10,522,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,633.80 : 19,071,160.92 = 7,624,680.20 : x
  2. Step 2: Convert to fraction form
    13,819,633.80/19,071,160.92 = 7,624,680.20/x
  3. Step 3: Cross multiply
    13,819,633.80x = 19,071,160.92 × 7,624,680.20
  4. Step 4: Simplify right side
    13,819,633.80x = 145,411,503,057,737.81
  5. Step 5: Solve for x
    x = 145,411,503,057,737.81/13,819,633.80
  6. Step 6: Final answer
    x = 10,522,095.24

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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.