Home / 12,423,880.86-18,611,577.33-9,678,573.86

Finding the Fourth Proportional to 12,423,880.86, 18,611,577.33 and 9,678,573.86

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Solution

The fourth proportional to 12,423,880.86, 18,611,577.33 and 9,678,573.86 is: 14,498,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,880.86 : 18,611,577.33 = 9,678,573.86 : x
  2. Step 2: Convert to fraction form
    12,423,880.86/18,611,577.33 = 9,678,573.86/x
  3. Step 3: Cross multiply
    12,423,880.86x = 18,611,577.33 × 9,678,573.86
  4. Step 4: Simplify right side
    12,423,880.86x = 180,133,525,746,448.69
  5. Step 5: Solve for x
    x = 180,133,525,746,448.69/12,423,880.86
  6. Step 6: Final answer
    x = 14,498,974.01

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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.