Home / 7,372,154.10-10,173,619.89-4,109,175.74

Finding the Fourth Proportional to 7,372,154.10, 10,173,619.89 and 4,109,175.74

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Solution

The fourth proportional to 7,372,154.10, 10,173,619.89 and 4,109,175.74 is: 5,670,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,154.10 : 10,173,619.89 = 4,109,175.74 : x
  2. Step 2: Convert to fraction form
    7,372,154.10/10,173,619.89 = 4,109,175.74/x
  3. Step 3: Cross multiply
    7,372,154.10x = 10,173,619.89 × 4,109,175.74
  4. Step 4: Simplify right side
    7,372,154.10x = 41,805,191,989,101.37
  5. Step 5: Solve for x
    x = 41,805,191,989,101.37/7,372,154.10
  6. Step 6: Final answer
    x = 5,670,688.84

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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.