Home / 30,562,799.40-42,176,427.30-16,811,461.80

Finding the Fourth Proportional to 30,562,799.40, 42,176,427.30 and 16,811,461.80

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Solution

The fourth proportional to 30,562,799.40, 42,176,427.30 and 16,811,461.80 is: 23,199,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562,799.40 : 42,176,427.30 = 16,811,461.80 : x
  2. Step 2: Convert to fraction form
    30,562,799.40/42,176,427.30 = 16,811,461.80/x
  3. Step 3: Cross multiply
    30,562,799.40x = 42,176,427.30 × 16,811,461.80
  4. Step 4: Simplify right side
    30,562,799.40x = 709,047,396,414,427.12
  5. Step 5: Solve for x
    x = 709,047,396,414,427.12/30,562,799.40
  6. Step 6: Final answer
    x = 23,199,687.54

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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.