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Finding the Fourth Proportional to 7,992,005.10, 11,988,007.65 and 7,803,048.30

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Solution

The fourth proportional to 7,992,005.10, 11,988,007.65 and 7,803,048.30 is: 11,704,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,005.10 : 11,988,007.65 = 7,803,048.30 : x
  2. Step 2: Convert to fraction form
    7,992,005.10/11,988,007.65 = 7,803,048.30/x
  3. Step 3: Cross multiply
    7,992,005.10x = 11,988,007.65 × 7,803,048.30
  4. Step 4: Simplify right side
    7,992,005.10x = 93,543,002,713,719.50
  5. Step 5: Solve for x
    x = 93,543,002,713,719.50/7,992,005.10
  6. Step 6: Final answer
    x = 11,704,572.45

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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.