Home / 10,306,405.71-14,228,361.72-7,946,448.84

Finding the Fourth Proportional to 10,306,405.71, 14,228,361.72 and 7,946,448.84

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Solution

The fourth proportional to 10,306,405.71, 14,228,361.72 and 7,946,448.84 is: 10,970,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,405.71 : 14,228,361.72 = 7,946,448.84 : x
  2. Step 2: Convert to fraction form
    10,306,405.71/14,228,361.72 = 7,946,448.84/x
  3. Step 3: Cross multiply
    10,306,405.71x = 14,228,361.72 × 7,946,448.84
  4. Step 4: Simplify right side
    10,306,405.71x = 113,064,948,484,994.41
  5. Step 5: Solve for x
    x = 113,064,948,484,994.41/10,306,405.71
  6. Step 6: Final answer
    x = 10,970,356.85

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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.