Home / 18,528,036.60-27,816,938.10-11,826,161.40

Finding the Fourth Proportional to 18,528,036.60, 27,816,938.10 and 11,826,161.40

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Solution

The fourth proportional to 18,528,036.60, 27,816,938.10 and 11,826,161.40 is: 17,755,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,036.60 : 27,816,938.10 = 11,826,161.40 : x
  2. Step 2: Convert to fraction form
    18,528,036.60/27,816,938.10 = 11,826,161.40/x
  3. Step 3: Cross multiply
    18,528,036.60x = 27,816,938.10 × 11,826,161.40
  4. Step 4: Simplify right side
    18,528,036.60x = 328,967,599,624,409.38
  5. Step 5: Solve for x
    x = 328,967,599,624,409.38/18,528,036.60
  6. Step 6: Final answer
    x = 17,755,124.66

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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.