Home / 30,170,812.50-41,628,460.41-17,781,399.18

Finding the Fourth Proportional to 30,170,812.50, 41,628,460.41 and 17,781,399.18

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Solution

The fourth proportional to 30,170,812.50, 41,628,460.41 and 17,781,399.18 is: 24,534,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170,812.50 : 41,628,460.41 = 17,781,399.18 : x
  2. Step 2: Convert to fraction form
    30,170,812.50/41,628,460.41 = 17,781,399.18/x
  3. Step 3: Cross multiply
    30,170,812.50x = 41,628,460.41 × 17,781,399.18
  4. Step 4: Simplify right side
    30,170,812.50x = 740,212,271,799,036.38
  5. Step 5: Solve for x
    x = 740,212,271,799,036.38/30,170,812.50
  6. Step 6: Final answer
    x = 24,534,051.64

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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.