Home / 30,130,709.80-41,580,205.84-17,080,430.44

Finding the Fourth Proportional to 30,130,709.80, 41,580,205.84 and 17,080,430.44

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Solution

The fourth proportional to 30,130,709.80, 41,580,205.84 and 17,080,430.44 is: 23,570,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130,709.80 : 41,580,205.84 = 17,080,430.44 : x
  2. Step 2: Convert to fraction form
    30,130,709.80/41,580,205.84 = 17,080,430.44/x
  3. Step 3: Cross multiply
    30,130,709.80x = 41,580,205.84 × 17,080,430.44
  4. Step 4: Simplify right side
    30,130,709.80x = 710,207,813,531,001.88
  5. Step 5: Solve for x
    x = 710,207,813,531,001.88/30,130,709.80
  6. Step 6: Final answer
    x = 23,570,895.55

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1.5x scale

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.