Home / 38,478,507.60-53,101,200.04-21,958,303.26

Finding the Fourth Proportional to 38,478,507.60, 53,101,200.04 and 21,958,303.26

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Solution

The fourth proportional to 38,478,507.60, 53,101,200.04 and 21,958,303.26 is: 30,302,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478,507.60 : 53,101,200.04 = 21,958,303.26 : x
  2. Step 2: Convert to fraction form
    38,478,507.60/53,101,200.04 = 21,958,303.26/x
  3. Step 3: Cross multiply
    38,478,507.60x = 53,101,200.04 × 21,958,303.26
  4. Step 4: Simplify right side
    38,478,507.60x = 1,166,012,253,948,244.25
  5. Step 5: Solve for x
    x = 1,166,012,253,948,244.25/38,478,507.60
  6. Step 6: Final answer
    x = 30,302,949.01

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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.