Home / 19,960,055.70-29,940,083.55-18,700,343.70

Finding the Fourth Proportional to 19,960,055.70, 29,940,083.55 and 18,700,343.70

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Solution

The fourth proportional to 19,960,055.70, 29,940,083.55 and 18,700,343.70 is: 28,050,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,055.70 : 29,940,083.55 = 18,700,343.70 : x
  2. Step 2: Convert to fraction form
    19,960,055.70/29,940,083.55 = 18,700,343.70/x
  3. Step 3: Cross multiply
    19,960,055.70x = 29,940,083.55 × 18,700,343.70
  4. Step 4: Simplify right side
    19,960,055.70x = 559,889,852,791,716.12
  5. Step 5: Solve for x
    x = 559,889,852,791,716.12/19,960,055.70
  6. Step 6: Final answer
    x = 28,050,515.55

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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.