Home / 19,071,679.41-28,620,239.22-6,941,139.45

Finding the Fourth Proportional to 19,071,679.41, 28,620,239.22 and 6,941,139.45

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Solution

The fourth proportional to 19,071,679.41, 28,620,239.22 and 6,941,139.45 is: 10,416,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071,679.41 : 28,620,239.22 = 6,941,139.45 : x
  2. Step 2: Convert to fraction form
    19,071,679.41/28,620,239.22 = 6,941,139.45/x
  3. Step 3: Cross multiply
    19,071,679.41x = 28,620,239.22 × 6,941,139.45
  4. Step 4: Simplify right side
    19,071,679.41x = 198,657,071,518,379.22
  5. Step 5: Solve for x
    x = 198,657,071,518,379.22/19,071,679.41
  6. Step 6: Final answer
    x = 10,416,338.66

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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.