Home / 13,779,434.95-20,669,206.49-5,582,232.21

Finding the Fourth Proportional to 13,779,434.95, 20,669,206.49 and 5,582,232.21

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Solution

The fourth proportional to 13,779,434.95, 20,669,206.49 and 5,582,232.21 is: 8,373,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,434.95 : 20,669,206.49 = 5,582,232.21 : x
  2. Step 2: Convert to fraction form
    13,779,434.95/20,669,206.49 = 5,582,232.21/x
  3. Step 3: Cross multiply
    13,779,434.95x = 20,669,206.49 × 5,582,232.21
  4. Step 4: Simplify right side
    13,779,434.95x = 115,380,310,294,150.78
  5. Step 5: Solve for x
    x = 115,380,310,294,150.78/13,779,434.95
  6. Step 6: Final answer
    x = 8,373,370.22

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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.