Home / 19,218,018.49-26,520,865.23-10,516,190.84

Finding the Fourth Proportional to 19,218,018.49, 26,520,865.23 and 10,516,190.84

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Solution

The fourth proportional to 19,218,018.49, 26,520,865.23 and 10,516,190.84 is: 14,512,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,018.49 : 26,520,865.23 = 10,516,190.84 : x
  2. Step 2: Convert to fraction form
    19,218,018.49/26,520,865.23 = 10,516,190.84/x
  3. Step 3: Cross multiply
    19,218,018.49x = 26,520,865.23 × 10,516,190.84
  4. Step 4: Simplify right side
    19,218,018.49x = 278,898,480,006,885.12
  5. Step 5: Solve for x
    x = 278,898,480,006,885.12/19,218,018.49
  6. Step 6: Final answer
    x = 14,512,343.20

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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.