Home / 12,838,634.48-17,706,984.80-11,286,577.68

Finding the Fourth Proportional to 12,838,634.48, 17,706,984.80 and 11,286,577.68

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Solution

The fourth proportional to 12,838,634.48, 17,706,984.80 and 11,286,577.68 is: 15,566,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,634.48 : 17,706,984.80 = 11,286,577.68 : x
  2. Step 2: Convert to fraction form
    12,838,634.48/17,706,984.80 = 11,286,577.68/x
  3. Step 3: Cross multiply
    12,838,634.48x = 17,706,984.80 × 11,286,577.68
  4. Step 4: Simplify right side
    12,838,634.48x = 199,851,259,423,779.28
  5. Step 5: Solve for x
    x = 199,851,259,423,779.28/12,838,634.48
  6. Step 6: Final answer
    x = 15,566,395.30

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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.