Home / 18,880,133.28-26,045,151.69-11,919,437.16

Finding the Fourth Proportional to 18,880,133.28, 26,045,151.69 and 11,919,437.16

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Solution

The fourth proportional to 18,880,133.28, 26,045,151.69 and 11,919,437.16 is: 16,442,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,133.28 : 26,045,151.69 = 11,919,437.16 : x
  2. Step 2: Convert to fraction form
    18,880,133.28/26,045,151.69 = 11,919,437.16/x
  3. Step 3: Cross multiply
    18,880,133.28x = 26,045,151.69 × 11,919,437.16
  4. Step 4: Simplify right side
    18,880,133.28x = 310,443,548,891,622.81
  5. Step 5: Solve for x
    x = 310,443,548,891,622.81/18,880,133.28
  6. Step 6: Final answer
    x = 16,442,868.51

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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.