Home / 7,748,812.12-10,688,907.86-4,843,160.28

Finding the Fourth Proportional to 7,748,812.12, 10,688,907.86 and 4,843,160.28

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Solution

The fourth proportional to 7,748,812.12, 10,688,907.86 and 4,843,160.28 is: 6,680,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748,812.12 : 10,688,907.86 = 4,843,160.28 : x
  2. Step 2: Convert to fraction form
    7,748,812.12/10,688,907.86 = 4,843,160.28/x
  3. Step 3: Cross multiply
    7,748,812.12x = 10,688,907.86 × 4,843,160.28
  4. Step 4: Simplify right side
    7,748,812.12x = 51,768,093,984,131.80
  5. Step 5: Solve for x
    x = 51,768,093,984,131.80/7,748,812.12
  6. Step 6: Final answer
    x = 6,680,778.06

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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.