Home / 10,403,705.70-15,605,558.55-3,672,800.10

Finding the Fourth Proportional to 10,403,705.70, 15,605,558.55 and 3,672,800.10

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Solution

The fourth proportional to 10,403,705.70, 15,605,558.55 and 3,672,800.10 is: 5,509,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,705.70 : 15,605,558.55 = 3,672,800.10 : x
  2. Step 2: Convert to fraction form
    10,403,705.70/15,605,558.55 = 3,672,800.10/x
  3. Step 3: Cross multiply
    10,403,705.70x = 15,605,558.55 × 3,672,800.10
  4. Step 4: Simplify right side
    10,403,705.70x = 57,316,097,002,995.86
  5. Step 5: Solve for x
    x = 57,316,097,002,995.86/10,403,705.70
  6. Step 6: Final answer
    x = 5,509,200.15

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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.