Home / 12,298,145.55-18,458,412.66-6,545,708.61

Finding the Fourth Proportional to 12,298,145.55, 18,458,412.66 and 6,545,708.61

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Solution

The fourth proportional to 12,298,145.55, 18,458,412.66 and 6,545,708.61 is: 9,824,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,145.55 : 18,458,412.66 = 6,545,708.61 : x
  2. Step 2: Convert to fraction form
    12,298,145.55/18,458,412.66 = 6,545,708.61/x
  3. Step 3: Cross multiply
    12,298,145.55x = 18,458,412.66 × 6,545,708.61
  4. Step 4: Simplify right side
    12,298,145.55x = 120,823,390,675,495.02
  5. Step 5: Solve for x
    x = 120,823,390,675,495.02/12,298,145.55
  6. Step 6: Final answer
    x = 9,824,521.12

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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.