Home / 12,249,991.89-16,905,965.09-7,093,444.41

Finding the Fourth Proportional to 12,249,991.89, 16,905,965.09 and 7,093,444.41

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Solution

The fourth proportional to 12,249,991.89, 16,905,965.09 and 7,093,444.41 is: 9,789,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,991.89 : 16,905,965.09 = 7,093,444.41 : x
  2. Step 2: Convert to fraction form
    12,249,991.89/16,905,965.09 = 7,093,444.41/x
  3. Step 3: Cross multiply
    12,249,991.89x = 16,905,965.09 × 7,093,444.41
  4. Step 4: Simplify right side
    12,249,991.89x = 119,921,523,527,848.44
  5. Step 5: Solve for x
    x = 119,921,523,527,848.44/12,249,991.89
  6. Step 6: Final answer
    x = 9,789,518.61

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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.