Home / 11,142,635.64-15,362,698.20-7,963,856.85

Finding the Fourth Proportional to 11,142,635.64, 15,362,698.20 and 7,963,856.85

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Solution

The fourth proportional to 11,142,635.64, 15,362,698.20 and 7,963,856.85 is: 10,980,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,635.64 : 15,362,698.20 = 7,963,856.85 : x
  2. Step 2: Convert to fraction form
    11,142,635.64/15,362,698.20 = 7,963,856.85/x
  3. Step 3: Cross multiply
    11,142,635.64x = 15,362,698.20 × 7,963,856.85
  4. Step 4: Simplify right side
    11,142,635.64x = 122,346,329,346,281.78
  5. Step 5: Solve for x
    x = 122,346,329,346,281.78/11,142,635.64
  6. Step 6: Final answer
    x = 10,980,017.05

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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.