Home / 15,628,646.47-21,560,662.15-9,430,236.03

Finding the Fourth Proportional to 15,628,646.47, 21,560,662.15 and 9,430,236.03

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Solution

The fourth proportional to 15,628,646.47, 21,560,662.15 and 9,430,236.03 is: 13,009,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628,646.47 : 21,560,662.15 = 9,430,236.03 : x
  2. Step 2: Convert to fraction form
    15,628,646.47/21,560,662.15 = 9,430,236.03/x
  3. Step 3: Cross multiply
    15,628,646.47x = 21,560,662.15 × 9,430,236.03
  4. Step 4: Simplify right side
    15,628,646.47x = 203,322,133,037,587.25
  5. Step 5: Solve for x
    x = 203,322,133,037,587.25/15,628,646.47
  6. Step 6: Final answer
    x = 13,009,580.42

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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.