Home / 9,715,860.48-13,409,069.60-5,641,479.36

Finding the Fourth Proportional to 9,715,860.48, 13,409,069.60 and 5,641,479.36

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Solution

The fourth proportional to 9,715,860.48, 13,409,069.60 and 5,641,479.36 is: 7,785,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,860.48 : 13,409,069.60 = 5,641,479.36 : x
  2. Step 2: Convert to fraction form
    9,715,860.48/13,409,069.60 = 5,641,479.36/x
  3. Step 3: Cross multiply
    9,715,860.48x = 13,409,069.60 × 5,641,479.36
  4. Step 4: Simplify right side
    9,715,860.48x = 75,646,989,385,203.45
  5. Step 5: Solve for x
    x = 75,646,989,385,203.45/9,715,860.48
  6. Step 6: Final answer
    x = 7,785,927.92

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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.