Home / 19,686,600.29-29,531,319.30-7,556,063.78

Finding the Fourth Proportional to 19,686,600.29, 29,531,319.30 and 7,556,063.78

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Solution

The fourth proportional to 19,686,600.29, 29,531,319.30 and 7,556,063.78 is: 11,334,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,600.29 : 29,531,319.30 = 7,556,063.78 : x
  2. Step 2: Convert to fraction form
    19,686,600.29/29,531,319.30 = 7,556,063.78/x
  3. Step 3: Cross multiply
    19,686,600.29x = 29,531,319.30 × 7,556,063.78
  4. Step 4: Simplify right side
    19,686,600.29x = 223,140,531,990,688.38
  5. Step 5: Solve for x
    x = 223,140,531,990,688.38/19,686,600.29
  6. Step 6: Final answer
    x = 11,334,640.25

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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.