Home / 13,807,653.84-20,708,158.68-4,223,115.28

Finding the Fourth Proportional to 13,807,653.84, 20,708,158.68 and 4,223,115.28

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Solution

The fourth proportional to 13,807,653.84, 20,708,158.68 and 4,223,115.28 is: 6,333,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,653.84 : 20,708,158.68 = 4,223,115.28 : x
  2. Step 2: Convert to fraction form
    13,807,653.84/20,708,158.68 = 4,223,115.28/x
  3. Step 3: Cross multiply
    13,807,653.84x = 20,708,158.68 × 4,223,115.28
  4. Step 4: Simplify right side
    13,807,653.84x = 87,452,941,342,172.64
  5. Step 5: Solve for x
    x = 87,452,941,342,172.64/13,807,653.84
  6. Step 6: Final answer
    x = 6,333,656.85

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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.