Home / 20,111,820.70-27,752,051.58-11,851,346.74

Finding the Fourth Proportional to 20,111,820.70, 27,752,051.58 and 11,851,346.74

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Solution

The fourth proportional to 20,111,820.70, 27,752,051.58 and 11,851,346.74 is: 16,353,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,820.70 : 27,752,051.58 = 11,851,346.74 : x
  2. Step 2: Convert to fraction form
    20,111,820.70/27,752,051.58 = 11,851,346.74/x
  3. Step 3: Cross multiply
    20,111,820.70x = 27,752,051.58 × 11,851,346.74
  4. Step 4: Simplify right side
    20,111,820.70x = 328,899,186,020,944.81
  5. Step 5: Solve for x
    x = 328,899,186,020,944.81/20,111,820.70
  6. Step 6: Final answer
    x = 16,353,526.16

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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.