Home / 20,106,146.52-27,746,176.86-10,938,579.48

Finding the Fourth Proportional to 20,106,146.52, 27,746,176.86 and 10,938,579.48

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Solution

The fourth proportional to 20,106,146.52, 27,746,176.86 and 10,938,579.48 is: 15,095,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106,146.52 : 27,746,176.86 = 10,938,579.48 : x
  2. Step 2: Convert to fraction form
    20,106,146.52/27,746,176.86 = 10,938,579.48/x
  3. Step 3: Cross multiply
    20,106,146.52x = 27,746,176.86 × 10,938,579.48
  4. Step 4: Simplify right side
    20,106,146.52x = 303,503,760,849,246.81
  5. Step 5: Solve for x
    x = 303,503,760,849,246.81/20,106,146.52
  6. Step 6: Final answer
    x = 15,095,073.57

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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.