Home / 13,296,989.40-19,945,484.10-12,765,548.40

Finding the Fourth Proportional to 13,296,989.40, 19,945,484.10 and 12,765,548.40

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Solution

The fourth proportional to 13,296,989.40, 19,945,484.10 and 12,765,548.40 is: 19,148,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,989.40 : 19,945,484.10 = 12,765,548.40 : x
  2. Step 2: Convert to fraction form
    13,296,989.40/19,945,484.10 = 12,765,548.40/x
  3. Step 3: Cross multiply
    13,296,989.40x = 19,945,484.10 × 12,765,548.40
  4. Step 4: Simplify right side
    13,296,989.40x = 254,615,042,639,980.47
  5. Step 5: Solve for x
    x = 254,615,042,639,980.47/13,296,989.40
  6. Step 6: Final answer
    x = 19,148,322.60

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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.