Home / 30,019,395.61-41,426,801.38-16,268,359.74

Finding the Fourth Proportional to 30,019,395.61, 41,426,801.38 and 16,268,359.74

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Solution

The fourth proportional to 30,019,395.61, 41,426,801.38 and 16,268,359.74 is: 22,450,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,395.61 : 41,426,801.38 = 16,268,359.74 : x
  2. Step 2: Convert to fraction form
    30,019,395.61/41,426,801.38 = 16,268,359.74/x
  3. Step 3: Cross multiply
    30,019,395.61x = 41,426,801.38 × 16,268,359.74
  4. Step 4: Simplify right side
    30,019,395.61x = 673,946,107,727,368.50
  5. Step 5: Solve for x
    x = 673,946,107,727,368.50/30,019,395.61
  6. Step 6: Final answer
    x = 22,450,355.65

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1.5x scale

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.