Home / 19,648,402.69-29,440,020.96-11,948,756.53

Finding the Fourth Proportional to 19,648,402.69, 29,440,020.96 and 11,948,756.53

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Solution

The fourth proportional to 19,648,402.69, 29,440,020.96 and 11,948,756.53 is: 17,903,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648,402.69 : 29,440,020.96 = 11,948,756.53 : x
  2. Step 2: Convert to fraction form
    19,648,402.69/29,440,020.96 = 11,948,756.53/x
  3. Step 3: Cross multiply
    19,648,402.69x = 29,440,020.96 × 11,948,756.53
  4. Step 4: Simplify right side
    19,648,402.69x = 351,771,642,689,136.88
  5. Step 5: Solve for x
    x = 351,771,642,689,136.88/19,648,402.69
  6. Step 6: Final answer
    x = 17,903,320.09

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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.