Home / 13,087,821.42-19,613,356.51-10,343,302.34

Finding the Fourth Proportional to 13,087,821.42, 19,613,356.51 and 10,343,302.34

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Solution

The fourth proportional to 13,087,821.42, 19,613,356.51 and 10,343,302.34 is: 15,500,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,821.42 : 19,613,356.51 = 10,343,302.34 : x
  2. Step 2: Convert to fraction form
    13,087,821.42/19,613,356.51 = 10,343,302.34/x
  3. Step 3: Cross multiply
    13,087,821.42x = 19,613,356.51 × 10,343,302.34
  4. Step 4: Simplify right side
    13,087,821.42x = 202,866,876,285,137.25
  5. Step 5: Solve for x
    x = 202,866,876,285,137.25/13,087,821.42
  6. Step 6: Final answer
    x = 15,500,431.26

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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.