Home / 7,228,569.72-9,974,686.86-4,327,885.20

Finding the Fourth Proportional to 7,228,569.72, 9,974,686.86 and 4,327,885.20

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Solution

The fourth proportional to 7,228,569.72, 9,974,686.86 and 4,327,885.20 is: 5,972,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,569.72 : 9,974,686.86 = 4,327,885.20 : x
  2. Step 2: Convert to fraction form
    7,228,569.72/9,974,686.86 = 4,327,885.20/x
  3. Step 3: Cross multiply
    7,228,569.72x = 9,974,686.86 × 4,327,885.20
  4. Step 4: Simplify right side
    7,228,569.72x = 43,169,299,636,028.47
  5. Step 5: Solve for x
    x = 43,169,299,636,028.47/7,228,569.72
  6. Step 6: Final answer
    x = 5,972,038.91

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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.