Home / 27,137,979.81-40,673,619.71-12,545,160.07

Finding the Fourth Proportional to 27,137,979.81, 40,673,619.71 and 12,545,160.07

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Solution

The fourth proportional to 27,137,979.81, 40,673,619.71 and 12,545,160.07 is: 18,802,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137,979.81 : 40,673,619.71 = 12,545,160.07 : x
  2. Step 2: Convert to fraction form
    27,137,979.81/40,673,619.71 = 12,545,160.07/x
  3. Step 3: Cross multiply
    27,137,979.81x = 40,673,619.71 × 12,545,160.07
  4. Step 4: Simplify right side
    27,137,979.81x = 510,257,069,888,257
  5. Step 5: Solve for x
    x = 510,257,069,888,257/27,137,979.81
  6. Step 6: Final answer
    x = 18,802,323.30

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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.