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Finding the Fourth Proportional to 9,361,318.80, 14,041,978.20 and 7,849,664.40

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Solution

The fourth proportional to 9,361,318.80, 14,041,978.20 and 7,849,664.40 is: 11,774,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,318.80 : 14,041,978.20 = 7,849,664.40 : x
  2. Step 2: Convert to fraction form
    9,361,318.80/14,041,978.20 = 7,849,664.40/x
  3. Step 3: Cross multiply
    9,361,318.80x = 14,041,978.20 × 7,849,664.40
  4. Step 4: Simplify right side
    9,361,318.80x = 110,224,816,382,116.08
  5. Step 5: Solve for x
    x = 110,224,816,382,116.08/9,361,318.80
  6. Step 6: Final answer
    x = 11,774,496.60

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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.