Home / 19,201,612.68-28,802,448.23-7,842,061.30

Finding the Fourth Proportional to 19,201,612.68, 28,802,448.23 and 7,842,061.30

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Solution

The fourth proportional to 19,201,612.68, 28,802,448.23 and 7,842,061.30 is: 11,763,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,612.68 : 28,802,448.23 = 7,842,061.30 : x
  2. Step 2: Convert to fraction form
    19,201,612.68/28,802,448.23 = 7,842,061.30/x
  3. Step 3: Cross multiply
    19,201,612.68x = 28,802,448.23 × 7,842,061.30
  4. Step 4: Simplify right side
    19,201,612.68x = 225,870,564,637,132.50
  5. Step 5: Solve for x
    x = 225,870,564,637,132.50/19,201,612.68
  6. Step 6: Final answer
    x = 11,763,103.88

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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.