Home / 12,295,547.40-18,446,546.70-4,722,760.20

Finding the Fourth Proportional to 12,295,547.40, 18,446,546.70 and 4,722,760.20

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Solution

The fourth proportional to 12,295,547.40, 18,446,546.70 and 4,722,760.20 is: 7,085,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,547.40 : 18,446,546.70 = 4,722,760.20 : x
  2. Step 2: Convert to fraction form
    12,295,547.40/18,446,546.70 = 4,722,760.20/x
  3. Step 3: Cross multiply
    12,295,547.40x = 18,446,546.70 × 4,722,760.20
  4. Step 4: Simplify right side
    12,295,547.40x = 87,118,616,582,201.34
  5. Step 5: Solve for x
    x = 87,118,616,582,201.34/12,295,547.40
  6. Step 6: Final answer
    x = 7,085,379.26

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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.