Home / 9,789,564.74-13,509,840.02-5,379,255.05

Finding the Fourth Proportional to 9,789,564.74, 13,509,840.02 and 5,379,255.05

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Solution

The fourth proportional to 9,789,564.74, 13,509,840.02 and 5,379,255.05 is: 7,423,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,564.74 : 13,509,840.02 = 5,379,255.05 : x
  2. Step 2: Convert to fraction form
    9,789,564.74/13,509,840.02 = 5,379,255.05/x
  3. Step 3: Cross multiply
    9,789,564.74x = 13,509,840.02 × 5,379,255.05
  4. Step 4: Simplify right side
    9,789,564.74x = 72,672,875,057,831.62
  5. Step 5: Solve for x
    x = 72,672,875,057,831.62/9,789,564.74
  6. Step 6: Final answer
    x = 7,423,504.21

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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.