Home / 13,315,155.83-19,955,076.59-6,837,969.11

Finding the Fourth Proportional to 13,315,155.83, 19,955,076.59 and 6,837,969.11

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Solution

The fourth proportional to 13,315,155.83, 19,955,076.59 and 6,837,969.11 is: 10,247,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,155.83 : 19,955,076.59 = 6,837,969.11 : x
  2. Step 2: Convert to fraction form
    13,315,155.83/19,955,076.59 = 6,837,969.11/x
  3. Step 3: Cross multiply
    13,315,155.83x = 19,955,076.59 × 6,837,969.11
  4. Step 4: Simplify right side
    13,315,155.83x = 136,452,197,176,138.92
  5. Step 5: Solve for x
    x = 136,452,197,176,138.92/13,315,155.83
  6. Step 6: Final answer
    x = 10,247,885.87

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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.