Home / 8,353,130.40-12,529,695.60-6,362,474.40

Finding the Fourth Proportional to 8,353,130.40, 12,529,695.60 and 6,362,474.40

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Solution

The fourth proportional to 8,353,130.40, 12,529,695.60 and 6,362,474.40 is: 9,543,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,130.40 : 12,529,695.60 = 6,362,474.40 : x
  2. Step 2: Convert to fraction form
    8,353,130.40/12,529,695.60 = 6,362,474.40/x
  3. Step 3: Cross multiply
    8,353,130.40x = 12,529,695.60 × 6,362,474.40
  4. Step 4: Simplify right side
    8,353,130.40x = 79,719,867,494,792.64
  5. Step 5: Solve for x
    x = 79,719,867,494,792.64/8,353,130.40
  6. Step 6: Final answer
    x = 9,543,711.60

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Double scale
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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.