Home / 7,246,130.55-10,869,188.81-1,854,772.31

Finding the Fourth Proportional to 7,246,130.55, 10,869,188.81 and 1,854,772.31

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Solution

The fourth proportional to 7,246,130.55, 10,869,188.81 and 1,854,772.31 is: 2,782,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246,130.55 : 10,869,188.81 = 1,854,772.31 : x
  2. Step 2: Convert to fraction form
    7,246,130.55/10,869,188.81 = 1,854,772.31/x
  3. Step 3: Cross multiply
    7,246,130.55x = 10,869,188.81 × 1,854,772.31
  4. Step 4: Simplify right side
    7,246,130.55x = 20,159,870,373,330.04
  5. Step 5: Solve for x
    x = 20,159,870,373,330.04/7,246,130.55
  6. Step 6: Final answer
    x = 2,782,156.66

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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.