Home / 18,128,051.60-27,192,077.40-13,649,075.60

Finding the Fourth Proportional to 18,128,051.60, 27,192,077.40 and 13,649,075.60

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Solution

The fourth proportional to 18,128,051.60, 27,192,077.40 and 13,649,075.60 is: 20,473,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,051.60 : 27,192,077.40 = 13,649,075.60 : x
  2. Step 2: Convert to fraction form
    18,128,051.60/27,192,077.40 = 13,649,075.60/x
  3. Step 3: Cross multiply
    18,128,051.60x = 27,192,077.40 × 13,649,075.60
  4. Step 4: Simplify right side
    18,128,051.60x = 371,146,720,153,651.44
  5. Step 5: Solve for x
    x = 371,146,720,153,651.44/18,128,051.60
  6. Step 6: Final answer
    x = 20,473,613.40

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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.