Home / 6,710,700.12-9,261,967.05-3,957,220.68

Finding the Fourth Proportional to 6,710,700.12, 9,261,967.05 and 3,957,220.68

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Solution

The fourth proportional to 6,710,700.12, 9,261,967.05 and 3,957,220.68 is: 5,461,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710,700.12 : 9,261,967.05 = 3,957,220.68 : x
  2. Step 2: Convert to fraction form
    6,710,700.12/9,261,967.05 = 3,957,220.68/x
  3. Step 3: Cross multiply
    6,710,700.12x = 9,261,967.05 × 3,957,220.68
  4. Step 4: Simplify right side
    6,710,700.12x = 36,651,647,547,738.60
  5. Step 5: Solve for x
    x = 36,651,647,547,738.60/6,710,700.12
  6. Step 6: Final answer
    x = 5,461,672.69

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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.