Home / 8,889,741.20-13,334,611.80-8,541,376.40

Finding the Fourth Proportional to 8,889,741.20, 13,334,611.80 and 8,541,376.40

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Solution

The fourth proportional to 8,889,741.20, 13,334,611.80 and 8,541,376.40 is: 12,812,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,741.20 : 13,334,611.80 = 8,541,376.40 : x
  2. Step 2: Convert to fraction form
    8,889,741.20/13,334,611.80 = 8,541,376.40/x
  3. Step 3: Cross multiply
    8,889,741.20x = 13,334,611.80 × 8,541,376.40
  4. Step 4: Simplify right side
    8,889,741.20x = 113,895,938,531,681.53
  5. Step 5: Solve for x
    x = 113,895,938,531,681.53/8,889,741.20
  6. Step 6: Final answer
    x = 12,812,064.60

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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.