Home / 18,528,040.60-27,816,944.10-11,826,165.40

Finding the Fourth Proportional to 18,528,040.60, 27,816,944.10 and 11,826,165.40

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Solution

The fourth proportional to 18,528,040.60, 27,816,944.10 and 11,826,165.40 is: 17,755,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,040.60 : 27,816,944.10 = 11,826,165.40 : x
  2. Step 2: Convert to fraction form
    18,528,040.60/27,816,944.10 = 11,826,165.40/x
  3. Step 3: Cross multiply
    18,528,040.60x = 27,816,944.10 × 11,826,165.40
  4. Step 4: Simplify right side
    18,528,040.60x = 328,967,781,849,154.19
  5. Step 5: Solve for x
    x = 328,967,781,849,154.19/18,528,040.60
  6. Step 6: Final answer
    x = 17,755,130.67

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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.