Home / 7,185,866.81-9,915,169.45-4,088,209.32

Finding the Fourth Proportional to 7,185,866.81, 9,915,169.45 and 4,088,209.32

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Solution

The fourth proportional to 7,185,866.81, 9,915,169.45 and 4,088,209.32 is: 5,640,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,866.81 : 9,915,169.45 = 4,088,209.32 : x
  2. Step 2: Convert to fraction form
    7,185,866.81/9,915,169.45 = 4,088,209.32/x
  3. Step 3: Cross multiply
    7,185,866.81x = 9,915,169.45 × 4,088,209.32
  4. Step 4: Simplify right side
    7,185,866.81x = 40,535,288,154,869.27
  5. Step 5: Solve for x
    x = 40,535,288,154,869.27/7,185,866.81
  6. Step 6: Final answer
    x = 5,640,974.05

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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.