Home / 9,153,135.71-12,630,492.46-5,431,325.42

Finding the Fourth Proportional to 9,153,135.71, 12,630,492.46 and 5,431,325.42

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Solution

The fourth proportional to 9,153,135.71, 12,630,492.46 and 5,431,325.42 is: 7,494,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,135.71 : 12,630,492.46 = 5,431,325.42 : x
  2. Step 2: Convert to fraction form
    9,153,135.71/12,630,492.46 = 5,431,325.42/x
  3. Step 3: Cross multiply
    9,153,135.71x = 12,630,492.46 × 5,431,325.42
  4. Step 4: Simplify right side
    9,153,135.71x = 68,600,314,783,114.25
  5. Step 5: Solve for x
    x = 68,600,314,783,114.25/9,153,135.71
  6. Step 6: Final answer
    x = 7,494,733.71

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Double scale
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1.5x scale

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.