Home / 18,291,729.84-25,243,050.64-10,032,120.96

Finding the Fourth Proportional to 18,291,729.84, 25,243,050.64 and 10,032,120.96

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Solution

The fourth proportional to 18,291,729.84, 25,243,050.64 and 10,032,120.96 is: 13,844,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,729.84 : 25,243,050.64 = 10,032,120.96 : x
  2. Step 2: Convert to fraction form
    18,291,729.84/25,243,050.64 = 10,032,120.96/x
  3. Step 3: Cross multiply
    18,291,729.84x = 25,243,050.64 × 10,032,120.96
  4. Step 4: Simplify right side
    18,291,729.84x = 253,241,337,419,885.44
  5. Step 5: Solve for x
    x = 253,241,337,419,885.44/18,291,729.84
  6. Step 6: Final answer
    x = 13,844,581.11

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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.