Home / 13,605,057.60-18,774,270.72-8,448,308.52

Finding the Fourth Proportional to 13,605,057.60, 18,774,270.72 and 8,448,308.52

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Solution

The fourth proportional to 13,605,057.60, 18,774,270.72 and 8,448,308.52 is: 11,658,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,057.60 : 18,774,270.72 = 8,448,308.52 : x
  2. Step 2: Convert to fraction form
    13,605,057.60/18,774,270.72 = 8,448,308.52/x
  3. Step 3: Cross multiply
    13,605,057.60x = 18,774,270.72 × 8,448,308.52
  4. Step 4: Simplify right side
    13,605,057.60x = 158,610,831,280,562.53
  5. Step 5: Solve for x
    x = 158,610,831,280,562.53/13,605,057.60
  6. Step 6: Final answer
    x = 11,658,225.64

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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.