Home / 13,013,589.60-19,516,453.93-3,913,271.42

Finding the Fourth Proportional to 13,013,589.60, 19,516,453.93 and 3,913,271.42

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Solution

The fourth proportional to 13,013,589.60, 19,516,453.93 and 3,913,271.42 is: 5,868,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,589.60 : 19,516,453.93 = 3,913,271.42 : x
  2. Step 2: Convert to fraction form
    13,013,589.60/19,516,453.93 = 3,913,271.42/x
  3. Step 3: Cross multiply
    13,013,589.60x = 19,516,453.93 × 3,913,271.42
  4. Step 4: Simplify right side
    13,013,589.60x = 76,373,181,291,325
  5. Step 5: Solve for x
    x = 76,373,181,291,325/13,013,589.60
  6. Step 6: Final answer
    x = 5,868,725.20

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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.