Home / 40,889,136-61,315,741.44-15,312,207.36

Finding the Fourth Proportional to 40,889,136, 61,315,741.44 and 15,312,207.36

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Solution

The fourth proportional to 40,889,136, 61,315,741.44 and 15,312,207.36 is: 22,961,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,889,136 : 61,315,741.44 = 15,312,207.36 : x
  2. Step 2: Convert to fraction form
    40,889,136/61,315,741.44 = 15,312,207.36/x
  3. Step 3: Cross multiply
    40,889,136x = 61,315,741.44 × 15,312,207.36
  4. Step 4: Simplify right side
    40,889,136x = 938,879,347,361,424.88
  5. Step 5: Solve for x
    x = 938,879,347,361,424.88/40,889,136
  6. Step 6: Final answer
    x = 22,961,584.40

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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.