Home / 13,781,535.96-19,018,519.68-7,671,407.88

Finding the Fourth Proportional to 13,781,535.96, 19,018,519.68 and 7,671,407.88

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Solution

The fourth proportional to 13,781,535.96, 19,018,519.68 and 7,671,407.88 is: 10,586,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,535.96 : 19,018,519.68 = 7,671,407.88 : x
  2. Step 2: Convert to fraction form
    13,781,535.96/19,018,519.68 = 7,671,407.88/x
  3. Step 3: Cross multiply
    13,781,535.96x = 19,018,519.68 × 7,671,407.88
  4. Step 4: Simplify right side
    13,781,535.96x = 145,898,821,739,087.06
  5. Step 5: Solve for x
    x = 145,898,821,739,087.06/13,781,535.96
  6. Step 6: Final answer
    x = 10,586,542.91

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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.