Home / 13,605,057.10-18,774,270.03-8,448,308.02

Finding the Fourth Proportional to 13,605,057.10, 18,774,270.03 and 8,448,308.02

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Solution

The fourth proportional to 13,605,057.10, 18,774,270.03 and 8,448,308.02 is: 11,658,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,057.10 : 18,774,270.03 = 8,448,308.02 : x
  2. Step 2: Convert to fraction form
    13,605,057.10/18,774,270.03 = 8,448,308.02/x
  3. Step 3: Cross multiply
    13,605,057.10x = 18,774,270.03 × 8,448,308.02
  4. Step 4: Simplify right side
    13,605,057.10x = 158,610,816,064,094.66
  5. Step 5: Solve for x
    x = 158,610,816,064,094.66/13,605,057.10
  6. Step 6: Final answer
    x = 11,658,224.95

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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.