Home / 10,081,247.70-15,121,871.55-9,041,985.30

Finding the Fourth Proportional to 10,081,247.70, 15,121,871.55 and 9,041,985.30

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Solution

The fourth proportional to 10,081,247.70, 15,121,871.55 and 9,041,985.30 is: 13,562,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,247.70 : 15,121,871.55 = 9,041,985.30 : x
  2. Step 2: Convert to fraction form
    10,081,247.70/15,121,871.55 = 9,041,985.30/x
  3. Step 3: Cross multiply
    10,081,247.70x = 15,121,871.55 × 9,041,985.30
  4. Step 4: Simplify right side
    10,081,247.70x = 136,731,740,263,588.23
  5. Step 5: Solve for x
    x = 136,731,740,263,588.23/10,081,247.70
  6. Step 6: Final answer
    x = 13,562,977.95

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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.