Home / 13,453,853.30-20,174,875.05-5,364,140.30

Finding the Fourth Proportional to 13,453,853.30, 20,174,875.05 and 5,364,140.30

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Solution

The fourth proportional to 13,453,853.30, 20,174,875.05 and 5,364,140.30 is: 8,043,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,853.30 : 20,174,875.05 = 5,364,140.30 : x
  2. Step 2: Convert to fraction form
    13,453,853.30/20,174,875.05 = 5,364,140.30/x
  3. Step 3: Cross multiply
    13,453,853.30x = 20,174,875.05 × 5,364,140.30
  4. Step 4: Simplify right side
    13,453,853.30x = 108,220,860,303,169.52
  5. Step 5: Solve for x
    x = 108,220,860,303,169.52/13,453,853.30
  6. Step 6: Final answer
    x = 8,043,856.13

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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.