Home / 7,240,845.40-10,851,936.90-5,549,565.40

Finding the Fourth Proportional to 7,240,845.40, 10,851,936.90 and 5,549,565.40

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Solution

The fourth proportional to 7,240,845.40, 10,851,936.90 and 5,549,565.40 is: 8,317,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,845.40 : 10,851,936.90 = 5,549,565.40 : x
  2. Step 2: Convert to fraction form
    7,240,845.40/10,851,936.90 = 5,549,565.40/x
  3. Step 3: Cross multiply
    7,240,845.40x = 10,851,936.90 × 5,549,565.40
  4. Step 4: Simplify right side
    7,240,845.40x = 60,223,533,543,223.27
  5. Step 5: Solve for x
    x = 60,223,533,543,223.27/7,240,845.40
  6. Step 6: Final answer
    x = 8,317,196.43

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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.