Home / 9,777,805.42-13,493,112.12-5,426,779.44

Finding the Fourth Proportional to 9,777,805.42, 13,493,112.12 and 5,426,779.44

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Solution

The fourth proportional to 9,777,805.42, 13,493,112.12 and 5,426,779.44 is: 7,488,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,805.42 : 13,493,112.12 = 5,426,779.44 : x
  2. Step 2: Convert to fraction form
    9,777,805.42/13,493,112.12 = 5,426,779.44/x
  3. Step 3: Cross multiply
    9,777,805.42x = 13,493,112.12 × 5,426,779.44
  4. Step 4: Simplify right side
    9,777,805.42x = 73,224,143,434,430.81
  5. Step 5: Solve for x
    x = 73,224,143,434,430.81/9,777,805.42
  6. Step 6: Final answer
    x = 7,488,811.68

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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.