Home / 7,884,051.70-11,822,621.55-3,622,803.70

Finding the Fourth Proportional to 7,884,051.70, 11,822,621.55 and 3,622,803.70

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Solution

The fourth proportional to 7,884,051.70, 11,822,621.55 and 3,622,803.70 is: 5,432,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,051.70 : 11,822,621.55 = 3,622,803.70 : x
  2. Step 2: Convert to fraction form
    7,884,051.70/11,822,621.55 = 3,622,803.70/x
  3. Step 3: Cross multiply
    7,884,051.70x = 11,822,621.55 × 3,622,803.70
  4. Step 4: Simplify right side
    7,884,051.70x = 42,831,037,095,039.74
  5. Step 5: Solve for x
    x = 42,831,037,095,039.74/7,884,051.70
  6. Step 6: Final answer
    x = 5,432,617.48

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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.