Home / 10,692,162.20-16,038,243.30-8,920,692.20

Finding the Fourth Proportional to 10,692,162.20, 16,038,243.30 and 8,920,692.20

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Solution

The fourth proportional to 10,692,162.20, 16,038,243.30 and 8,920,692.20 is: 13,381,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,162.20 : 16,038,243.30 = 8,920,692.20 : x
  2. Step 2: Convert to fraction form
    10,692,162.20/16,038,243.30 = 8,920,692.20/x
  3. Step 3: Cross multiply
    10,692,162.20x = 16,038,243.30 × 8,920,692.20
  4. Step 4: Simplify right side
    10,692,162.20x = 143,072,231,908,012.25
  5. Step 5: Solve for x
    x = 143,072,231,908,012.25/10,692,162.20
  6. Step 6: Final answer
    x = 13,381,038.30

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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.