Home / 19,101,743.36-28,655,727.36-5,639,932.16

Finding the Fourth Proportional to 19,101,743.36, 28,655,727.36 and 5,639,932.16

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Solution

The fourth proportional to 19,101,743.36, 28,655,727.36 and 5,639,932.16 is: 8,460,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101,743.36 : 28,655,727.36 = 5,639,932.16 : x
  2. Step 2: Convert to fraction form
    19,101,743.36/28,655,727.36 = 5,639,932.16/x
  3. Step 3: Cross multiply
    19,101,743.36x = 28,655,727.36 × 5,639,932.16
  4. Step 4: Simplify right side
    19,101,743.36x = 161,616,358,305,855.91
  5. Step 5: Solve for x
    x = 161,616,358,305,855.91/19,101,743.36
  6. Step 6: Final answer
    x = 8,460,817.18

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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.