Home / 12,454,317.02-17,186,909.75-6,947,687.49

Finding the Fourth Proportional to 12,454,317.02, 17,186,909.75 and 6,947,687.49

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Solution

The fourth proportional to 12,454,317.02, 17,186,909.75 and 6,947,687.49 is: 9,587,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,317.02 : 17,186,909.75 = 6,947,687.49 : x
  2. Step 2: Convert to fraction form
    12,454,317.02/17,186,909.75 = 6,947,687.49/x
  3. Step 3: Cross multiply
    12,454,317.02x = 17,186,909.75 × 6,947,687.49
  4. Step 4: Simplify right side
    12,454,317.02x = 119,409,277,827,779.25
  5. Step 5: Solve for x
    x = 119,409,277,827,779.25/12,454,317.02
  6. Step 6: Final answer
    x = 9,587,782.11

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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.