Home / 9,505,795.86-13,118,001.28-5,154,880.86

Finding the Fourth Proportional to 9,505,795.86, 13,118,001.28 and 5,154,880.86

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Solution

The fourth proportional to 9,505,795.86, 13,118,001.28 and 5,154,880.86 is: 7,113,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505,795.86 : 13,118,001.28 = 5,154,880.86 : x
  2. Step 2: Convert to fraction form
    9,505,795.86/13,118,001.28 = 5,154,880.86/x
  3. Step 3: Cross multiply
    9,505,795.86x = 13,118,001.28 × 5,154,880.86
  4. Step 4: Simplify right side
    9,505,795.86x = 67,621,733,719,727.50
  5. Step 5: Solve for x
    x = 67,621,733,719,727.50/9,505,795.86
  6. Step 6: Final answer
    x = 7,113,737.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.