Home / 17,968,553.80-26,956,329.90-5,189,475.40

Finding the Fourth Proportional to 17,968,553.80, 26,956,329.90 and 5,189,475.40

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Solution

The fourth proportional to 17,968,553.80, 26,956,329.90 and 5,189,475.40 is: 7,785,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968,553.80 : 26,956,329.90 = 5,189,475.40 : x
  2. Step 2: Convert to fraction form
    17,968,553.80/26,956,329.90 = 5,189,475.40/x
  3. Step 3: Cross multiply
    17,968,553.80x = 26,956,329.90 × 5,189,475.40
  4. Step 4: Simplify right side
    17,968,553.80x = 139,889,210,890,334.47
  5. Step 5: Solve for x
    x = 139,889,210,890,334.47/17,968,553.80
  6. Step 6: Final answer
    x = 7,785,223.70

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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.