Home / 7,885,554.80-11,828,332.20-7,087,737.20

Finding the Fourth Proportional to 7,885,554.80, 11,828,332.20 and 7,087,737.20

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Solution

The fourth proportional to 7,885,554.80, 11,828,332.20 and 7,087,737.20 is: 10,631,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,554.80 : 11,828,332.20 = 7,087,737.20 : x
  2. Step 2: Convert to fraction form
    7,885,554.80/11,828,332.20 = 7,087,737.20/x
  3. Step 3: Cross multiply
    7,885,554.80x = 11,828,332.20 × 7,087,737.20
  4. Step 4: Simplify right side
    7,885,554.80x = 83,836,110,147,897.84
  5. Step 5: Solve for x
    x = 83,836,110,147,897.84/7,885,554.80
  6. Step 6: Final answer
    x = 10,631,605.80

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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.