Home / 19,150,019.84-28,700,211.36-7,777,256.96

Finding the Fourth Proportional to 19,150,019.84, 28,700,211.36 and 7,777,256.96

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Solution

The fourth proportional to 19,150,019.84, 28,700,211.36 and 7,777,256.96 is: 11,655,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150,019.84 : 28,700,211.36 = 7,777,256.96 : x
  2. Step 2: Convert to fraction form
    19,150,019.84/28,700,211.36 = 7,777,256.96/x
  3. Step 3: Cross multiply
    19,150,019.84x = 28,700,211.36 × 7,777,256.96
  4. Step 4: Simplify right side
    19,150,019.84x = 223,208,918,553,031.06
  5. Step 5: Solve for x
    x = 223,208,918,553,031.06/19,150,019.84
  6. Step 6: Final answer
    x = 11,655,806.13

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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.