Home / 13,929,284.88-20,893,365.59-7,105,708.40

Finding the Fourth Proportional to 13,929,284.88, 20,893,365.59 and 7,105,708.40

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Solution

The fourth proportional to 13,929,284.88, 20,893,365.59 and 7,105,708.40 is: 10,658,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,284.88 : 20,893,365.59 = 7,105,708.40 : x
  2. Step 2: Convert to fraction form
    13,929,284.88/20,893,365.59 = 7,105,708.40/x
  3. Step 3: Cross multiply
    13,929,284.88x = 20,893,365.59 × 7,105,708.40
  4. Step 4: Simplify right side
    13,929,284.88x = 148,462,163,237,138.59
  5. Step 5: Solve for x
    x = 148,462,163,237,138.59/13,929,284.88
  6. Step 6: Final answer
    x = 10,658,276.04

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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.