Home / 7,628,320.17-10,527,271.70-4,143,657.85

Finding the Fourth Proportional to 7,628,320.17, 10,527,271.70 and 4,143,657.85

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Solution

The fourth proportional to 7,628,320.17, 10,527,271.70 and 4,143,657.85 is: 5,718,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628,320.17 : 10,527,271.70 = 4,143,657.85 : x
  2. Step 2: Convert to fraction form
    7,628,320.17/10,527,271.70 = 4,143,657.85/x
  3. Step 3: Cross multiply
    7,628,320.17x = 10,527,271.70 × 4,143,657.85
  4. Step 4: Simplify right side
    7,628,320.17x = 43,621,411,971,751.38
  5. Step 5: Solve for x
    x = 43,621,411,971,751.38/7,628,320.17
  6. Step 6: Final answer
    x = 5,718,350.96

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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.