Home / 21,669,804.81-32,537,129.67-18,760,893.93

Finding the Fourth Proportional to 21,669,804.81, 32,537,129.67 and 18,760,893.93

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Solution

The fourth proportional to 21,669,804.81, 32,537,129.67 and 18,760,893.93 is: 28,169,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,804.81 : 32,537,129.67 = 18,760,893.93 : x
  2. Step 2: Convert to fraction form
    21,669,804.81/32,537,129.67 = 18,760,893.93/x
  3. Step 3: Cross multiply
    21,669,804.81x = 32,537,129.67 × 18,760,893.93
  4. Step 4: Simplify right side
    21,669,804.81x = 610,425,638,525,525.88
  5. Step 5: Solve for x
    x = 610,425,638,525,525.88/21,669,804.81
  6. Step 6: Final answer
    x = 28,169,411.03

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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.