Home / 19,471,807.11-29,158,271.21-11,685,820.39

Finding the Fourth Proportional to 19,471,807.11, 29,158,271.21 and 11,685,820.39

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Solution

The fourth proportional to 19,471,807.11, 29,158,271.21 and 11,685,820.39 is: 17,499,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471,807.11 : 29,158,271.21 = 11,685,820.39 : x
  2. Step 2: Convert to fraction form
    19,471,807.11/29,158,271.21 = 11,685,820.39/x
  3. Step 3: Cross multiply
    19,471,807.11x = 29,158,271.21 × 11,685,820.39
  4. Step 4: Simplify right side
    19,471,807.11x = 340,738,320,242,968
  5. Step 5: Solve for x
    x = 340,738,320,242,968/19,471,807.11
  6. Step 6: Final answer
    x = 17,499,059.96

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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.