Home / 12,766,367.40-19,159,755.47-6,620,095.50

Finding the Fourth Proportional to 12,766,367.40, 19,159,755.47 and 6,620,095.50

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Solution

The fourth proportional to 12,766,367.40, 19,159,755.47 and 6,620,095.50 is: 9,935,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,367.40 : 19,159,755.47 = 6,620,095.50 : x
  2. Step 2: Convert to fraction form
    12,766,367.40/19,159,755.47 = 6,620,095.50/x
  3. Step 3: Cross multiply
    12,766,367.40x = 19,159,755.47 × 6,620,095.50
  4. Step 4: Simplify right side
    12,766,367.40x = 126,839,410,968,047.38
  5. Step 5: Solve for x
    x = 126,839,410,968,047.38/12,766,367.40
  6. Step 6: Final answer
    x = 9,935,434.80

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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.