Home / 5,302,412.86-7,318,160.68-3,127,195.12

Finding the Fourth Proportional to 5,302,412.86, 7,318,160.68 and 3,127,195.12

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Solution

The fourth proportional to 5,302,412.86, 7,318,160.68 and 3,127,195.12 is: 4,316,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,412.86 : 7,318,160.68 = 3,127,195.12 : x
  2. Step 2: Convert to fraction form
    5,302,412.86/7,318,160.68 = 3,127,195.12/x
  3. Step 3: Cross multiply
    5,302,412.86x = 7,318,160.68 × 3,127,195.12
  4. Step 4: Simplify right side
    5,302,412.86x = 22,885,316,365,871.88
  5. Step 5: Solve for x
    x = 22,885,316,365,871.88/5,302,412.86
  6. Step 6: Final answer
    x = 4,316,019.32

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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.