Home / 9,730,776.80-13,427,894.04-5,379,602.96

Finding the Fourth Proportional to 9,730,776.80, 13,427,894.04 and 5,379,602.96

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Solution

The fourth proportional to 9,730,776.80, 13,427,894.04 and 5,379,602.96 is: 7,423,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,776.80 : 13,427,894.04 = 5,379,602.96 : x
  2. Step 2: Convert to fraction form
    9,730,776.80/13,427,894.04 = 5,379,602.96/x
  3. Step 3: Cross multiply
    9,730,776.80x = 13,427,894.04 × 5,379,602.96
  4. Step 4: Simplify right side
    9,730,776.80x = 72,236,738,524,150.36
  5. Step 5: Solve for x
    x = 72,236,738,524,150.36/9,730,776.80
  6. Step 6: Final answer
    x = 7,423,532.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.