Home / 20,078,838.06-27,698,597.09-13,113,592.30

Finding the Fourth Proportional to 20,078,838.06, 27,698,597.09 and 13,113,592.30

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Solution

The fourth proportional to 20,078,838.06, 27,698,597.09 and 13,113,592.30 is: 18,090,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,838.06 : 27,698,597.09 = 13,113,592.30 : x
  2. Step 2: Convert to fraction form
    20,078,838.06/27,698,597.09 = 13,113,592.30/x
  3. Step 3: Cross multiply
    20,078,838.06x = 27,698,597.09 × 13,113,592.30
  4. Step 4: Simplify right side
    20,078,838.06x = 363,228,109,538,457.69
  5. Step 5: Solve for x
    x = 363,228,109,538,457.69/20,078,838.06
  6. Step 6: Final answer
    x = 18,090,096.08

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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.