Home / 21,473,408.55-32,169,472.06-12,693,401.19

Finding the Fourth Proportional to 21,473,408.55, 32,169,472.06 and 12,693,401.19

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Solution

The fourth proportional to 21,473,408.55, 32,169,472.06 and 12,693,401.19 is: 19,016,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,408.55 : 32,169,472.06 = 12,693,401.19 : x
  2. Step 2: Convert to fraction form
    21,473,408.55/32,169,472.06 = 12,693,401.19/x
  3. Step 3: Cross multiply
    21,473,408.55x = 32,169,472.06 × 12,693,401.19
  4. Step 4: Simplify right side
    21,473,408.55x = 408,340,014,928,075.69
  5. Step 5: Solve for x
    x = 408,340,014,928,075.69/21,473,408.55
  6. Step 6: Final answer
    x = 19,016,078.14

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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.