Home / 10,630,147.30-15,945,220.95-7,445,097.70

Finding the Fourth Proportional to 10,630,147.30, 15,945,220.95 and 7,445,097.70

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Solution

The fourth proportional to 10,630,147.30, 15,945,220.95 and 7,445,097.70 is: 11,167,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,147.30 : 15,945,220.95 = 7,445,097.70 : x
  2. Step 2: Convert to fraction form
    10,630,147.30/15,945,220.95 = 7,445,097.70/x
  3. Step 3: Cross multiply
    10,630,147.30x = 15,945,220.95 × 7,445,097.70
  4. Step 4: Simplify right side
    10,630,147.30x = 118,713,727,820,836.81
  5. Step 5: Solve for x
    x = 118,713,727,820,836.81/10,630,147.30
  6. Step 6: Final answer
    x = 11,167,646.55

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Double scale
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Similar ratio
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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.