Home / 10,368,007.43-15,552,011.15-9,780,141.83

Finding the Fourth Proportional to 10,368,007.43, 15,552,011.15 and 9,780,141.83

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Solution

The fourth proportional to 10,368,007.43, 15,552,011.15 and 9,780,141.83 is: 14,670,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,007.43 : 15,552,011.15 = 9,780,141.83 : x
  2. Step 2: Convert to fraction form
    10,368,007.43/15,552,011.15 = 9,780,141.83/x
  3. Step 3: Cross multiply
    10,368,007.43x = 15,552,011.15 × 9,780,141.83
  4. Step 4: Simplify right side
    10,368,007.43x = 152,100,874,788,741.41
  5. Step 5: Solve for x
    x = 152,100,874,788,741.41/10,368,007.43
  6. Step 6: Final answer
    x = 14,670,212.75

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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.