Home / 40,706,973.89-61,010,435.80-18,817,744.26

Finding the Fourth Proportional to 40,706,973.89, 61,010,435.80 and 18,817,744.26

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Solution

The fourth proportional to 40,706,973.89, 61,010,435.80 and 18,817,744.26 is: 28,203,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,973.89 : 61,010,435.80 = 18,817,744.26 : x
  2. Step 2: Convert to fraction form
    40,706,973.89/61,010,435.80 = 18,817,744.26/x
  3. Step 3: Cross multiply
    40,706,973.89x = 61,010,435.80 × 18,817,744.26
  4. Step 4: Simplify right side
    40,706,973.89x = 1,148,078,777,981,460
  5. Step 5: Solve for x
    x = 1,148,078,777,981,460/40,706,973.89
  6. Step 6: Final answer
    x = 28,203,491.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.