Home / 12,653,085.56-18,975,702.78-4,565,009.72

Finding the Fourth Proportional to 12,653,085.56, 18,975,702.78 and 4,565,009.72

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Solution

The fourth proportional to 12,653,085.56, 18,975,702.78 and 4,565,009.72 is: 6,846,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,085.56 : 18,975,702.78 = 4,565,009.72 : x
  2. Step 2: Convert to fraction form
    12,653,085.56/18,975,702.78 = 4,565,009.72/x
  3. Step 3: Cross multiply
    12,653,085.56x = 18,975,702.78 × 4,565,009.72
  4. Step 4: Simplify right side
    12,653,085.56x = 86,624,267,634,531.02
  5. Step 5: Solve for x
    x = 86,624,267,634,531.02/12,653,085.56
  6. Step 6: Final answer
    x = 6,846,098.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.