Home / 13,046,547.35-18,003,742.09-7,245,702.75

Finding the Fourth Proportional to 13,046,547.35, 18,003,742.09 and 7,245,702.75

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Solution

The fourth proportional to 13,046,547.35, 18,003,742.09 and 7,245,702.75 is: 9,998,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,547.35 : 18,003,742.09 = 7,245,702.75 : x
  2. Step 2: Convert to fraction form
    13,046,547.35/18,003,742.09 = 7,245,702.75/x
  3. Step 3: Cross multiply
    13,046,547.35x = 18,003,742.09 × 7,245,702.75
  4. Step 4: Simplify right side
    13,046,547.35x = 130,449,763,621,203.52
  5. Step 5: Solve for x
    x = 130,449,763,621,203.52/13,046,547.35
  6. Step 6: Final answer
    x = 9,998,795.86

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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.