Home / 10,513,340.80-15,763,790.40-5,474,492.80

Finding the Fourth Proportional to 10,513,340.80, 15,763,790.40 and 5,474,492.80

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Solution

The fourth proportional to 10,513,340.80, 15,763,790.40 and 5,474,492.80 is: 8,208,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,340.80 : 15,763,790.40 = 5,474,492.80 : x
  2. Step 2: Convert to fraction form
    10,513,340.80/15,763,790.40 = 5,474,492.80/x
  3. Step 3: Cross multiply
    10,513,340.80x = 15,763,790.40 × 5,474,492.80
  4. Step 4: Simplify right side
    10,513,340.80x = 86,298,757,045,509.12
  5. Step 5: Solve for x
    x = 86,298,757,045,509.12/10,513,340.80
  6. Step 6: Final answer
    x = 8,208,499.91

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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.