Home / 30,555,789.48-42,167,787.30-16,805,114.46

Finding the Fourth Proportional to 30,555,789.48, 42,167,787.30 and 16,805,114.46

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Solution

The fourth proportional to 30,555,789.48, 42,167,787.30 and 16,805,114.46 is: 23,191,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555,789.48 : 42,167,787.30 = 16,805,114.46 : x
  2. Step 2: Convert to fraction form
    30,555,789.48/42,167,787.30 = 16,805,114.46/x
  3. Step 3: Cross multiply
    30,555,789.48x = 42,167,787.30 × 16,805,114.46
  4. Step 4: Simplify right side
    30,555,789.48x = 708,634,492,101,434.38
  5. Step 5: Solve for x
    x = 708,634,492,101,434.38/30,555,789.48
  6. Step 6: Final answer
    x = 23,191,496.74

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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.