Home / 19,956,006.60-29,942,822.70-9,715,187.40

Finding the Fourth Proportional to 19,956,006.60, 29,942,822.70 and 9,715,187.40

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Solution

The fourth proportional to 19,956,006.60, 29,942,822.70 and 9,715,187.40 is: 14,577,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,006.60 : 29,942,822.70 = 9,715,187.40 : x
  2. Step 2: Convert to fraction form
    19,956,006.60/29,942,822.70 = 9,715,187.40/x
  3. Step 3: Cross multiply
    19,956,006.60x = 29,942,822.70 × 9,715,187.40
  4. Step 4: Simplify right side
    19,956,006.60x = 290,900,133,815,474
  5. Step 5: Solve for x
    x = 290,900,133,815,474/19,956,006.60
  6. Step 6: Final answer
    x = 14,577,071.44

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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.