Home / 30,196,994.30-41,672,331.53-17,143,986.86

Finding the Fourth Proportional to 30,196,994.30, 41,672,331.53 and 17,143,986.86

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Solution

The fourth proportional to 30,196,994.30, 41,672,331.53 and 17,143,986.86 is: 23,658,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,994.30 : 41,672,331.53 = 17,143,986.86 : x
  2. Step 2: Convert to fraction form
    30,196,994.30/41,672,331.53 = 17,143,986.86/x
  3. Step 3: Cross multiply
    30,196,994.30x = 41,672,331.53 × 17,143,986.86
  4. Step 4: Simplify right side
    30,196,994.30x = 714,429,903,881,802.12
  5. Step 5: Solve for x
    x = 714,429,903,881,802.12/30,196,994.30
  6. Step 6: Final answer
    x = 23,658,974.03

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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.