Home / 9,872,409.60-14,808,614.40-8,990,611.20

Finding the Fourth Proportional to 9,872,409.60, 14,808,614.40 and 8,990,611.20

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Solution

The fourth proportional to 9,872,409.60, 14,808,614.40 and 8,990,611.20 is: 13,485,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,409.60 : 14,808,614.40 = 8,990,611.20 : x
  2. Step 2: Convert to fraction form
    9,872,409.60/14,808,614.40 = 8,990,611.20/x
  3. Step 3: Cross multiply
    9,872,409.60x = 14,808,614.40 × 8,990,611.20
  4. Step 4: Simplify right side
    9,872,409.60x = 133,138,494,481,121.27
  5. Step 5: Solve for x
    x = 133,138,494,481,121.27/9,872,409.60
  6. Step 6: Final answer
    x = 13,485,916.80

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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.