Home / 14,070,545.82-21,100,438.62-7,677,381.06

Finding the Fourth Proportional to 14,070,545.82, 21,100,438.62 and 7,677,381.06

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Solution

The fourth proportional to 14,070,545.82, 21,100,438.62 and 7,677,381.06 is: 11,513,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070,545.82 : 21,100,438.62 = 7,677,381.06 : x
  2. Step 2: Convert to fraction form
    14,070,545.82/21,100,438.62 = 7,677,381.06/x
  3. Step 3: Cross multiply
    14,070,545.82x = 21,100,438.62 × 7,677,381.06
  4. Step 4: Simplify right side
    14,070,545.82x = 161,996,107,818,880.53
  5. Step 5: Solve for x
    x = 161,996,107,818,880.53/14,070,545.82
  6. Step 6: Final answer
    x = 11,513,136.01

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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.