Home / 7,907,811.80-11,861,717.70-7,340,941.40

Finding the Fourth Proportional to 7,907,811.80, 11,861,717.70 and 7,340,941.40

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Solution

The fourth proportional to 7,907,811.80, 11,861,717.70 and 7,340,941.40 is: 11,011,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907,811.80 : 11,861,717.70 = 7,340,941.40 : x
  2. Step 2: Convert to fraction form
    7,907,811.80/11,861,717.70 = 7,340,941.40/x
  3. Step 3: Cross multiply
    7,907,811.80x = 11,861,717.70 × 7,340,941.40
  4. Step 4: Simplify right side
    7,907,811.80x = 87,076,174,539,042.78
  5. Step 5: Solve for x
    x = 87,076,174,539,042.78/7,907,811.80
  6. Step 6: Final answer
    x = 11,011,412.10

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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.