Home / 21,575,394.27-32,362,869.89-12,471,699.23

Finding the Fourth Proportional to 21,575,394.27, 32,362,869.89 and 12,471,699.23

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Solution

The fourth proportional to 21,575,394.27, 32,362,869.89 and 12,471,699.23 is: 18,707,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,394.27 : 32,362,869.89 = 12,471,699.23 : x
  2. Step 2: Convert to fraction form
    21,575,394.27/32,362,869.89 = 12,471,699.23/x
  3. Step 3: Cross multiply
    21,575,394.27x = 32,362,869.89 × 12,471,699.23
  4. Step 4: Simplify right side
    21,575,394.27x = 403,619,979,487,703.19
  5. Step 5: Solve for x
    x = 403,619,979,487,703.19/21,575,394.27
  6. Step 6: Final answer
    x = 18,707,420.80

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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.