Home / 13,779,827.20-20,669,740.80-10,591,181.20

Finding the Fourth Proportional to 13,779,827.20, 20,669,740.80 and 10,591,181.20

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Solution

The fourth proportional to 13,779,827.20, 20,669,740.80 and 10,591,181.20 is: 15,886,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,827.20 : 20,669,740.80 = 10,591,181.20 : x
  2. Step 2: Convert to fraction form
    13,779,827.20/20,669,740.80 = 10,591,181.20/x
  3. Step 3: Cross multiply
    13,779,827.20x = 20,669,740.80 × 10,591,181.20
  4. Step 4: Simplify right side
    13,779,827.20x = 218,916,970,169,832.94
  5. Step 5: Solve for x
    x = 218,916,970,169,832.94/13,779,827.20
  6. Step 6: Final answer
    x = 15,886,771.80

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1.5x scale

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.