Home / 11,434,571.22-15,779,739.15-6,278,266.74

Finding the Fourth Proportional to 11,434,571.22, 15,779,739.15 and 6,278,266.74

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Solution

The fourth proportional to 11,434,571.22, 15,779,739.15 and 6,278,266.74 is: 8,664,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434,571.22 : 15,779,739.15 = 6,278,266.74 : x
  2. Step 2: Convert to fraction form
    11,434,571.22/15,779,739.15 = 6,278,266.74/x
  3. Step 3: Cross multiply
    11,434,571.22x = 15,779,739.15 × 6,278,266.74
  4. Step 4: Simplify right side
    11,434,571.22x = 99,069,411,471,320.88
  5. Step 5: Solve for x
    x = 99,069,411,471,320.88/11,434,571.22
  6. Step 6: Final answer
    x = 8,664,025.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.