Home / 13,455,464.30-20,186,148.90-4,356,013.40

Finding the Fourth Proportional to 13,455,464.30, 20,186,148.90 and 4,356,013.40

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Solution

The fourth proportional to 13,455,464.30, 20,186,148.90 and 4,356,013.40 is: 6,534,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,464.30 : 20,186,148.90 = 4,356,013.40 : x
  2. Step 2: Convert to fraction form
    13,455,464.30/20,186,148.90 = 4,356,013.40/x
  3. Step 3: Cross multiply
    13,455,464.30x = 20,186,148.90 × 4,356,013.40
  4. Step 4: Simplify right side
    13,455,464.30x = 87,931,135,102,795.27
  5. Step 5: Solve for x
    x = 87,931,135,102,795.27/13,455,464.30
  6. Step 6: Final answer
    x = 6,534,975.91

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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.