Home / 13,196,720.70-19,798,179.36-4,098,348.72

Finding the Fourth Proportional to 13,196,720.70, 19,798,179.36 and 4,098,348.72

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Solution

The fourth proportional to 13,196,720.70, 19,798,179.36 and 4,098,348.72 is: 6,148,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,720.70 : 19,798,179.36 = 4,098,348.72 : x
  2. Step 2: Convert to fraction form
    13,196,720.70/19,798,179.36 = 4,098,348.72/x
  3. Step 3: Cross multiply
    13,196,720.70x = 19,798,179.36 × 4,098,348.72
  4. Step 4: Simplify right side
    13,196,720.70x = 81,139,843,038,386.42
  5. Step 5: Solve for x
    x = 81,139,843,038,386.42/13,196,720.70
  6. Step 6: Final answer
    x = 6,148,485.29

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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.