Home / 10,368,049.20-15,552,073.80-3,180,692.40

Finding the Fourth Proportional to 10,368,049.20, 15,552,073.80 and 3,180,692.40

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Solution

The fourth proportional to 10,368,049.20, 15,552,073.80 and 3,180,692.40 is: 4,771,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,049.20 : 15,552,073.80 = 3,180,692.40 : x
  2. Step 2: Convert to fraction form
    10,368,049.20/15,552,073.80 = 3,180,692.40/x
  3. Step 3: Cross multiply
    10,368,049.20x = 15,552,073.80 × 3,180,692.40
  4. Step 4: Simplify right side
    10,368,049.20x = 49,466,362,939,899.12
  5. Step 5: Solve for x
    x = 49,466,362,939,899.12/10,368,049.20
  6. Step 6: Final answer
    x = 4,771,038.60

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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.