Home / 19,619,721.60-27,077,572.80-11,884,536.96

Finding the Fourth Proportional to 19,619,721.60, 27,077,572.80 and 11,884,536.96

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Solution

The fourth proportional to 19,619,721.60, 27,077,572.80 and 11,884,536.96 is: 16,402,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619,721.60 : 27,077,572.80 = 11,884,536.96 : x
  2. Step 2: Convert to fraction form
    19,619,721.60/27,077,572.80 = 11,884,536.96/x
  3. Step 3: Cross multiply
    19,619,721.60x = 27,077,572.80 × 11,884,536.96
  4. Step 4: Simplify right side
    19,619,721.60x = 321,804,414,728,690.75
  5. Step 5: Solve for x
    x = 321,804,414,728,690.75/19,619,721.60
  6. Step 6: Final answer
    x = 16,402,088.74

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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.