Home / 30,908,447.19-42,651,523.49-17,156,328.75

Finding the Fourth Proportional to 30,908,447.19, 42,651,523.49 and 17,156,328.75

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Solution

The fourth proportional to 30,908,447.19, 42,651,523.49 and 17,156,328.75 is: 23,674,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,447.19 : 42,651,523.49 = 17,156,328.75 : x
  2. Step 2: Convert to fraction form
    30,908,447.19/42,651,523.49 = 17,156,328.75/x
  3. Step 3: Cross multiply
    30,908,447.19x = 42,651,523.49 × 17,156,328.75
  4. Step 4: Simplify right side
    30,908,447.19x = 731,743,558,597,005.62
  5. Step 5: Solve for x
    x = 731,743,558,597,005.62/30,908,447.19
  6. Step 6: Final answer
    x = 23,674,549.36

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Double scale
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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.