Home / 14,413,669.13-19,890,862.61-7,887,299.37

Finding the Fourth Proportional to 14,413,669.13, 19,890,862.61 and 7,887,299.37

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Solution

The fourth proportional to 14,413,669.13, 19,890,862.61 and 7,887,299.37 is: 10,884,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413,669.13 : 19,890,862.61 = 7,887,299.37 : x
  2. Step 2: Convert to fraction form
    14,413,669.13/19,890,862.61 = 7,887,299.37/x
  3. Step 3: Cross multiply
    14,413,669.13x = 19,890,862.61 × 7,887,299.37
  4. Step 4: Simplify right side
    14,413,669.13x = 156,885,188,018,582.31
  5. Step 5: Solve for x
    x = 156,885,188,018,582.31/14,413,669.13
  6. Step 6: Final answer
    x = 10,884,472.69

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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.