Home / 8,740,285.36-12,069,209.79-5,482,699.65

Finding the Fourth Proportional to 8,740,285.36, 12,069,209.79 and 5,482,699.65

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Solution

The fourth proportional to 8,740,285.36, 12,069,209.79 and 5,482,699.65 is: 7,570,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,285.36 : 12,069,209.79 = 5,482,699.65 : x
  2. Step 2: Convert to fraction form
    8,740,285.36/12,069,209.79 = 5,482,699.65/x
  3. Step 3: Cross multiply
    8,740,285.36x = 12,069,209.79 × 5,482,699.65
  4. Step 4: Simplify right side
    8,740,285.36x = 66,171,852,291,409.57
  5. Step 5: Solve for x
    x = 66,171,852,291,409.57/8,740,285.36
  6. Step 6: Final answer
    x = 7,570,902.96

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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.