Home / 10,831,437.80-16,243,220.10-3,643,206.20

Finding the Fourth Proportional to 10,831,437.80, 16,243,220.10 and 3,643,206.20

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Solution

The fourth proportional to 10,831,437.80, 16,243,220.10 and 3,643,206.20 is: 5,463,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831,437.80 : 16,243,220.10 = 3,643,206.20 : x
  2. Step 2: Convert to fraction form
    10,831,437.80/16,243,220.10 = 3,643,206.20/x
  3. Step 3: Cross multiply
    10,831,437.80x = 16,243,220.10 × 3,643,206.20
  4. Step 4: Simplify right side
    10,831,437.80x = 59,177,400,176,284.62
  5. Step 5: Solve for x
    x = 59,177,400,176,284.62/10,831,437.80
  6. Step 6: Final answer
    x = 5,463,485.21

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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.