Home / 18,403,506-25,398,727.80-11,063,715.30

Finding the Fourth Proportional to 18,403,506, 25,398,727.80 and 11,063,715.30

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Solution

The fourth proportional to 18,403,506, 25,398,727.80 and 11,063,715.30 is: 15,269,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,506 : 25,398,727.80 = 11,063,715.30 : x
  2. Step 2: Convert to fraction form
    18,403,506/25,398,727.80 = 11,063,715.30/x
  3. Step 3: Cross multiply
    18,403,506x = 25,398,727.80 × 11,063,715.30
  4. Step 4: Simplify right side
    18,403,506x = 281,004,293,361,395.38
  5. Step 5: Solve for x
    x = 281,004,293,361,395.38/18,403,506
  6. Step 6: Final answer
    x = 15,269,063.04

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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.