Home / 19,528,412.19-29,297,489-13,782,369.89

Finding the Fourth Proportional to 19,528,412.19, 29,297,489 and 13,782,369.89

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Solution

The fourth proportional to 19,528,412.19, 29,297,489 and 13,782,369.89 is: 20,676,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528,412.19 : 29,297,489 = 13,782,369.89 : x
  2. Step 2: Convert to fraction form
    19,528,412.19/29,297,489 = 13,782,369.89/x
  3. Step 3: Cross multiply
    19,528,412.19x = 29,297,489 × 13,782,369.89
  4. Step 4: Simplify right side
    19,528,412.19x = 403,788,830,246,206.25
  5. Step 5: Solve for x
    x = 403,788,830,246,206.25/19,528,412.19
  6. Step 6: Final answer
    x = 20,676,992.39

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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.