Home / 12,549,512.50-17,318,327.52-7,117,004.50

Finding the Fourth Proportional to 12,549,512.50, 17,318,327.52 and 7,117,004.50

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Solution

The fourth proportional to 12,549,512.50, 17,318,327.52 and 7,117,004.50 is: 9,821,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,512.50 : 17,318,327.52 = 7,117,004.50 : x
  2. Step 2: Convert to fraction form
    12,549,512.50/17,318,327.52 = 7,117,004.50/x
  3. Step 3: Cross multiply
    12,549,512.50x = 17,318,327.52 × 7,117,004.50
  4. Step 4: Simplify right side
    12,549,512.50x = 123,254,614,892,313.84
  5. Step 5: Solve for x
    x = 123,254,614,892,313.84/12,549,512.50
  6. Step 6: Final answer
    x = 9,821,466.36

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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.