Home / 19,281,977.46-28,922,631.19-7,767,150.34

Finding the Fourth Proportional to 19,281,977.46, 28,922,631.19 and 7,767,150.34

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Solution

The fourth proportional to 19,281,977.46, 28,922,631.19 and 7,767,150.34 is: 11,650,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,977.46 : 28,922,631.19 = 7,767,150.34 : x
  2. Step 2: Convert to fraction form
    19,281,977.46/28,922,631.19 = 7,767,150.34/x
  3. Step 3: Cross multiply
    19,281,977.46x = 28,922,631.19 × 7,767,150.34
  4. Step 4: Simplify right side
    19,281,977.46x = 224,646,424,681,103.12
  5. Step 5: Solve for x
    x = 224,646,424,681,103.12/19,281,977.46
  6. Step 6: Final answer
    x = 11,650,590.57

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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.