Home / 7,620,971.40-10,512,156.65-4,521,300.26

Finding the Fourth Proportional to 7,620,971.40, 10,512,156.65 and 4,521,300.26

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Solution

The fourth proportional to 7,620,971.40, 10,512,156.65 and 4,521,300.26 is: 6,236,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620,971.40 : 10,512,156.65 = 4,521,300.26 : x
  2. Step 2: Convert to fraction form
    7,620,971.40/10,512,156.65 = 4,521,300.26/x
  3. Step 3: Cross multiply
    7,620,971.40x = 10,512,156.65 × 4,521,300.26
  4. Step 4: Simplify right side
    7,620,971.40x = 47,528,616,519,638.44
  5. Step 5: Solve for x
    x = 47,528,616,519,638.44/7,620,971.40
  6. Step 6: Final answer
    x = 6,236,556.21

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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.