Home / 39,111,525.36-53,973,497.04-21,708,020.88

Finding the Fourth Proportional to 39,111,525.36, 53,973,497.04 and 21,708,020.88

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Solution

The fourth proportional to 39,111,525.36, 53,973,497.04 and 21,708,020.88 is: 29,956,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,525.36 : 53,973,497.04 = 21,708,020.88 : x
  2. Step 2: Convert to fraction form
    39,111,525.36/53,973,497.04 = 21,708,020.88/x
  3. Step 3: Cross multiply
    39,111,525.36x = 53,973,497.04 × 21,708,020.88
  4. Step 4: Simplify right side
    39,111,525.36x = 1,171,657,800,710,938
  5. Step 5: Solve for x
    x = 1,171,657,800,710,938/39,111,525.36
  6. Step 6: Final answer
    x = 29,956,842.39

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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.