Home / 14,684,300.40-21,979,284.54-7,843,768.86

Finding the Fourth Proportional to 14,684,300.40, 21,979,284.54 and 7,843,768.86

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Solution

The fourth proportional to 14,684,300.40, 21,979,284.54 and 7,843,768.86 is: 11,740,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684,300.40 : 21,979,284.54 = 7,843,768.86 : x
  2. Step 2: Convert to fraction form
    14,684,300.40/21,979,284.54 = 7,843,768.86/x
  3. Step 3: Cross multiply
    14,684,300.40x = 21,979,284.54 × 7,843,768.86
  4. Step 4: Simplify right side
    14,684,300.40x = 172,400,427,639,931.44
  5. Step 5: Solve for x
    x = 172,400,427,639,931.44/14,684,300.40
  6. Step 6: Final answer
    x = 11,740,459.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.