Home / 19,368,983.68-26,728,160.10-10,665,457.52

Finding the Fourth Proportional to 19,368,983.68, 26,728,160.10 and 10,665,457.52

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Solution

The fourth proportional to 19,368,983.68, 26,728,160.10 and 10,665,457.52 is: 14,717,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368,983.68 : 26,728,160.10 = 10,665,457.52 : x
  2. Step 2: Convert to fraction form
    19,368,983.68/26,728,160.10 = 10,665,457.52/x
  3. Step 3: Cross multiply
    19,368,983.68x = 26,728,160.10 × 10,665,457.52
  4. Step 4: Simplify right side
    19,368,983.68x = 285,068,056,134,308.94
  5. Step 5: Solve for x
    x = 285,068,056,134,308.94/19,368,983.68
  6. Step 6: Final answer
    x = 14,717,760.15

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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.