Home / 14,358,087.11-19,814,392.86-7,831,714.61

Finding the Fourth Proportional to 14,358,087.11, 19,814,392.86 and 7,831,714.61

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Solution

The fourth proportional to 14,358,087.11, 19,814,392.86 and 7,831,714.61 is: 10,807,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358,087.11 : 19,814,392.86 = 7,831,714.61 : x
  2. Step 2: Convert to fraction form
    14,358,087.11/19,814,392.86 = 7,831,714.61/x
  3. Step 3: Cross multiply
    14,358,087.11x = 19,814,392.86 × 7,831,714.61
  4. Step 4: Simplify right side
    14,358,087.11x = 155,180,670,049,941.69
  5. Step 5: Solve for x
    x = 155,180,670,049,941.69/14,358,087.11
  6. Step 6: Final answer
    x = 10,807,893.06

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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.