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Finding the Fourth Proportional to 14,462,326.64, 19,957,956.02 and 7,936,065.32

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Solution

The fourth proportional to 14,462,326.64, 19,957,956.02 and 7,936,065.32 is: 10,951,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462,326.64 : 19,957,956.02 = 7,936,065.32 : x
  2. Step 2: Convert to fraction form
    14,462,326.64/19,957,956.02 = 7,936,065.32/x
  3. Step 3: Cross multiply
    14,462,326.64x = 19,957,956.02 × 7,936,065.32
  4. Step 4: Simplify right side
    14,462,326.64x = 158,387,642,518,697.38
  5. Step 5: Solve for x
    x = 158,387,642,518,697.38/14,462,326.64
  6. Step 6: Final answer
    x = 10,951,740.09

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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.