Home / 40,706,975.13-61,010,437.67-18,817,745.51

Finding the Fourth Proportional to 40,706,975.13, 61,010,437.67 and 18,817,745.51

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Solution

The fourth proportional to 40,706,975.13, 61,010,437.67 and 18,817,745.51 is: 28,203,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,975.13 : 61,010,437.67 = 18,817,745.51 : x
  2. Step 2: Convert to fraction form
    40,706,975.13/61,010,437.67 = 18,817,745.51/x
  3. Step 3: Cross multiply
    40,706,975.13x = 61,010,437.67 × 18,817,745.51
  4. Step 4: Simplify right side
    40,706,975.13x = 1,148,078,889,527,777.50
  5. Step 5: Solve for x
    x = 1,148,078,889,527,777.50/40,706,975.13
  6. Step 6: Final answer
    x = 28,203,493.03

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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.