Home / 19,292,956.83-28,917,420.26-7,771,049.19

Finding the Fourth Proportional to 19,292,956.83, 28,917,420.26 and 7,771,049.19

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Solution

The fourth proportional to 19,292,956.83, 28,917,420.26 and 7,771,049.19 is: 11,647,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,956.83 : 28,917,420.26 = 7,771,049.19 : x
  2. Step 2: Convert to fraction form
    19,292,956.83/28,917,420.26 = 7,771,049.19/x
  3. Step 3: Cross multiply
    19,292,956.83x = 28,917,420.26 × 7,771,049.19
  4. Step 4: Simplify right side
    19,292,956.83x = 224,718,695,249,507.34
  5. Step 5: Solve for x
    x = 224,718,695,249,507.34/19,292,956.83
  6. Step 6: Final answer
    x = 11,647,706.32

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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.