Home / 13,977,143.40-20,955,987.54-6,191,829.12

Finding the Fourth Proportional to 13,977,143.40, 20,955,987.54 and 6,191,829.12

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Solution

The fourth proportional to 13,977,143.40, 20,955,987.54 and 6,191,829.12 is: 9,283,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,143.40 : 20,955,987.54 = 6,191,829.12 : x
  2. Step 2: Convert to fraction form
    13,977,143.40/20,955,987.54 = 6,191,829.12/x
  3. Step 3: Cross multiply
    13,977,143.40x = 20,955,987.54 × 6,191,829.12
  4. Step 4: Simplify right side
    13,977,143.40x = 129,755,893,888,529.16
  5. Step 5: Solve for x
    x = 129,755,893,888,529.16/13,977,143.40
  6. Step 6: Final answer
    x = 9,283,434.40

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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.