Home / 10,530,808.29-15,802,041.20-5,139,503.37

Finding the Fourth Proportional to 10,530,808.29, 15,802,041.20 and 5,139,503.37

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Solution

The fourth proportional to 10,530,808.29, 15,802,041.20 and 5,139,503.37 is: 7,712,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,808.29 : 15,802,041.20 = 5,139,503.37 : x
  2. Step 2: Convert to fraction form
    10,530,808.29/15,802,041.20 = 5,139,503.37/x
  3. Step 3: Cross multiply
    10,530,808.29x = 15,802,041.20 × 5,139,503.37
  4. Step 4: Simplify right side
    10,530,808.29x = 81,214,643,974,581.33
  5. Step 5: Solve for x
    x = 81,214,643,974,581.33/10,530,808.29
  6. Step 6: Final answer
    x = 7,712,099.75

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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.