Home / 9,153,109.17-12,630,455.76-5,431,298.76

Finding the Fourth Proportional to 9,153,109.17, 12,630,455.76 and 5,431,298.76

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Solution

The fourth proportional to 9,153,109.17, 12,630,455.76 and 5,431,298.76 is: 7,494,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,109.17 : 12,630,455.76 = 5,431,298.76 : x
  2. Step 2: Convert to fraction form
    9,153,109.17/12,630,455.76 = 5,431,298.76/x
  3. Step 3: Cross multiply
    9,153,109.17x = 12,630,455.76 × 5,431,298.76
  4. Step 4: Simplify right side
    9,153,109.17x = 68,599,778,707,522.85
  5. Step 5: Solve for x
    x = 68,599,778,707,522.85/9,153,109.17
  6. Step 6: Final answer
    x = 7,494,696.88

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.