Home / 7,640,985.40-10,544,615.44-4,156,354.26

Finding the Fourth Proportional to 7,640,985.40, 10,544,615.44 and 4,156,354.26

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Solution

The fourth proportional to 7,640,985.40, 10,544,615.44 and 4,156,354.26 is: 5,735,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,985.40 : 10,544,615.44 = 4,156,354.26 : x
  2. Step 2: Convert to fraction form
    7,640,985.40/10,544,615.44 = 4,156,354.26/x
  3. Step 3: Cross multiply
    7,640,985.40x = 10,544,615.44 × 4,156,354.26
  4. Step 4: Simplify right side
    7,640,985.40x = 43,827,157,293,714.88
  5. Step 5: Solve for x
    x = 43,827,157,293,714.88/7,640,985.40
  6. Step 6: Final answer
    x = 5,735,799.12

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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.