Home / 10,991,849.62-15,168,459.81-6,345,477.85

Finding the Fourth Proportional to 10,991,849.62, 15,168,459.81 and 6,345,477.85

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Solution

The fourth proportional to 10,991,849.62, 15,168,459.81 and 6,345,477.85 is: 8,756,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,849.62 : 15,168,459.81 = 6,345,477.85 : x
  2. Step 2: Convert to fraction form
    10,991,849.62/15,168,459.81 = 6,345,477.85/x
  3. Step 3: Cross multiply
    10,991,849.62x = 15,168,459.81 × 6,345,477.85
  4. Step 4: Simplify right side
    10,991,849.62x = 96,251,125,742,970.20
  5. Step 5: Solve for x
    x = 96,251,125,742,970.20/10,991,849.62
  6. Step 6: Final answer
    x = 8,756,590.48

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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.