Home / 38,461,602.96-53,074,909.32-21,054,580.72

Finding the Fourth Proportional to 38,461,602.96, 53,074,909.32 and 21,054,580.72

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Solution

The fourth proportional to 38,461,602.96, 53,074,909.32 and 21,054,580.72 is: 29,054,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,602.96 : 53,074,909.32 = 21,054,580.72 : x
  2. Step 2: Convert to fraction form
    38,461,602.96/53,074,909.32 = 21,054,580.72/x
  3. Step 3: Cross multiply
    38,461,602.96x = 53,074,909.32 × 21,054,580.72
  4. Step 4: Simplify right side
    38,461,602.96x = 1,117,469,962,484,620.25
  5. Step 5: Solve for x
    x = 1,117,469,962,484,620.25/38,461,602.96
  6. Step 6: Final answer
    x = 29,054,170.30

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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.