Home / 19,218,046.40-26,520,903.63-10,516,218.68

Finding the Fourth Proportional to 19,218,046.40, 26,520,903.63 and 10,516,218.68

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Solution

The fourth proportional to 19,218,046.40, 26,520,903.63 and 10,516,218.68 is: 14,512,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,046.40 : 26,520,903.63 = 10,516,218.68 : x
  2. Step 2: Convert to fraction form
    19,218,046.40/26,520,903.63 = 10,516,218.68/x
  3. Step 3: Cross multiply
    19,218,046.40x = 26,520,903.63 × 10,516,218.68
  4. Step 4: Simplify right side
    19,218,046.40x = 278,899,622,164,285.78
  5. Step 5: Solve for x
    x = 278,899,622,164,285.78/19,218,046.40
  6. Step 6: Final answer
    x = 14,512,381.56

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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.