Home / 7,240,830.40-10,851,914.40-5,549,550.40

Finding the Fourth Proportional to 7,240,830.40, 10,851,914.40 and 5,549,550.40

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Solution

The fourth proportional to 7,240,830.40, 10,851,914.40 and 5,549,550.40 is: 8,317,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,830.40 : 10,851,914.40 = 5,549,550.40 : x
  2. Step 2: Convert to fraction form
    7,240,830.40/10,851,914.40 = 5,549,550.40/x
  3. Step 3: Cross multiply
    7,240,830.40x = 10,851,914.40 × 5,549,550.40
  4. Step 4: Simplify right side
    7,240,830.40x = 60,223,245,899,285.77
  5. Step 5: Solve for x
    x = 60,223,245,899,285.77/7,240,830.40
  6. Step 6: Final answer
    x = 8,317,173.94

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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.