Home / 27,600,053.80-38,062,239.24-21,812,661.40

Finding the Fourth Proportional to 27,600,053.80, 38,062,239.24 and 21,812,661.40

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Solution

The fourth proportional to 27,600,053.80, 38,062,239.24 and 21,812,661.40 is: 30,081,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,600,053.80 : 38,062,239.24 = 21,812,661.40 : x
  2. Step 2: Convert to fraction form
    27,600,053.80/38,062,239.24 = 21,812,661.40/x
  3. Step 3: Cross multiply
    27,600,053.80x = 38,062,239.24 × 21,812,661.40
  4. Step 4: Simplify right side
    27,600,053.80x = 830,238,736,667,913.38
  5. Step 5: Solve for x
    x = 830,238,736,667,913.38/27,600,053.80
  6. Step 6: Final answer
    x = 30,081,055.01

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1.5x scale

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.