Home / 30,205,426.20-45,308,139.30-8,930,290.20

Finding the Fourth Proportional to 30,205,426.20, 45,308,139.30 and 8,930,290.20

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Solution

The fourth proportional to 30,205,426.20, 45,308,139.30 and 8,930,290.20 is: 13,395,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205,426.20 : 45,308,139.30 = 8,930,290.20 : x
  2. Step 2: Convert to fraction form
    30,205,426.20/45,308,139.30 = 8,930,290.20/x
  3. Step 3: Cross multiply
    30,205,426.20x = 45,308,139.30 × 8,930,290.20
  4. Step 4: Simplify right side
    30,205,426.20x = 404,614,832,371,024.81
  5. Step 5: Solve for x
    x = 404,614,832,371,024.81/30,205,426.20
  6. Step 6: Final answer
    x = 13,395,435.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.