Home / 8,885,881.80-13,328,822.70-7,450,991.10

Finding the Fourth Proportional to 8,885,881.80, 13,328,822.70 and 7,450,991.10

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Solution

The fourth proportional to 8,885,881.80, 13,328,822.70 and 7,450,991.10 is: 11,176,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885,881.80 : 13,328,822.70 = 7,450,991.10 : x
  2. Step 2: Convert to fraction form
    8,885,881.80/13,328,822.70 = 7,450,991.10/x
  3. Step 3: Cross multiply
    8,885,881.80x = 13,328,822.70 × 7,450,991.10
  4. Step 4: Simplify right side
    8,885,881.80x = 99,312,939,311,177.95
  5. Step 5: Solve for x
    x = 99,312,939,311,177.95/8,885,881.80
  6. Step 6: Final answer
    x = 11,176,486.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.