Home / 52,870,309.81-79,287,504.51-18,318,647.68

Finding the Fourth Proportional to 52,870,309.81, 79,287,504.51 and 18,318,647.68

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Solution

The fourth proportional to 52,870,309.81, 79,287,504.51 and 18,318,647.68 is: 27,471,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870,309.81 : 79,287,504.51 = 18,318,647.68 : x
  2. Step 2: Convert to fraction form
    52,870,309.81/79,287,504.51 = 18,318,647.68/x
  3. Step 3: Cross multiply
    52,870,309.81x = 79,287,504.51 × 18,318,647.68
  4. Step 4: Simplify right side
    52,870,309.81x = 1,452,439,860,415,577
  5. Step 5: Solve for x
    x = 1,452,439,860,415,577/52,870,309.81
  6. Step 6: Final answer
    x = 27,471,748.62

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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.