Home / 13,513,284.68-18,648,102.39-7,318,281.19

Finding the Fourth Proportional to 13,513,284.68, 18,648,102.39 and 7,318,281.19

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Solution

The fourth proportional to 13,513,284.68, 18,648,102.39 and 7,318,281.19 is: 10,099,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,284.68 : 18,648,102.39 = 7,318,281.19 : x
  2. Step 2: Convert to fraction form
    13,513,284.68/18,648,102.39 = 7,318,281.19/x
  3. Step 3: Cross multiply
    13,513,284.68x = 18,648,102.39 × 7,318,281.19
  4. Step 4: Simplify right side
    13,513,284.68x = 136,472,056,856,690.53
  5. Step 5: Solve for x
    x = 136,472,056,856,690.53/13,513,284.68
  6. Step 6: Final answer
    x = 10,099,103.22

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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.