Home / 21,575,393.77-32,362,869.14-12,471,698.73

Finding the Fourth Proportional to 21,575,393.77, 32,362,869.14 and 12,471,698.73

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Solution

The fourth proportional to 21,575,393.77, 32,362,869.14 and 12,471,698.73 is: 18,707,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,393.77 : 32,362,869.14 = 12,471,698.73 : x
  2. Step 2: Convert to fraction form
    21,575,393.77/32,362,869.14 = 12,471,698.73/x
  3. Step 3: Cross multiply
    21,575,393.77x = 32,362,869.14 × 12,471,698.73
  4. Step 4: Simplify right side
    21,575,393.77x = 403,619,953,952,494.19
  5. Step 5: Solve for x
    x = 403,619,953,952,494.19/21,575,393.77
  6. Step 6: Final answer
    x = 18,707,420.05

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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.