Home / 13,019,903.60-19,530,920.34-6,539,646.84

Finding the Fourth Proportional to 13,019,903.60, 19,530,920.34 and 6,539,646.84

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Solution

The fourth proportional to 13,019,903.60, 19,530,920.34 and 6,539,646.84 is: 9,810,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,903.60 : 19,530,920.34 = 6,539,646.84 : x
  2. Step 2: Convert to fraction form
    13,019,903.60/19,530,920.34 = 6,539,646.84/x
  3. Step 3: Cross multiply
    13,019,903.60x = 19,530,920.34 × 6,539,646.84
  4. Step 4: Simplify right side
    13,019,903.60x = 127,725,321,483,772.72
  5. Step 5: Solve for x
    x = 127,725,321,483,772.72/13,019,903.60
  6. Step 6: Final answer
    x = 9,810,005.16

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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.