Home / 7,721,334.84-10,651,015.04-4,815,681.15

Finding the Fourth Proportional to 7,721,334.84, 10,651,015.04 and 4,815,681.15

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Solution

The fourth proportional to 7,721,334.84, 10,651,015.04 and 4,815,681.15 is: 6,642,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,334.84 : 10,651,015.04 = 4,815,681.15 : x
  2. Step 2: Convert to fraction form
    7,721,334.84/10,651,015.04 = 4,815,681.15/x
  3. Step 3: Cross multiply
    7,721,334.84x = 10,651,015.04 × 4,815,681.15
  4. Step 4: Simplify right side
    7,721,334.84x = 51,291,892,332,416.09
  5. Step 5: Solve for x
    x = 51,291,892,332,416.09/7,721,334.84
  6. Step 6: Final answer
    x = 6,642,878.91

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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.