Home / 8,249,728.10-11,384,453.53-4,578,431.45

Finding the Fourth Proportional to 8,249,728.10, 11,384,453.53 and 4,578,431.45

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Solution

The fourth proportional to 8,249,728.10, 11,384,453.53 and 4,578,431.45 is: 6,318,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,728.10 : 11,384,453.53 = 4,578,431.45 : x
  2. Step 2: Convert to fraction form
    8,249,728.10/11,384,453.53 = 4,578,431.45/x
  3. Step 3: Cross multiply
    8,249,728.10x = 11,384,453.53 × 4,578,431.45
  4. Step 4: Simplify right side
    8,249,728.10x = 52,122,940,082,815.52
  5. Step 5: Solve for x
    x = 52,122,940,082,815.52/8,249,728.10
  6. Step 6: Final answer
    x = 6,318,140.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.