Home / 9,153,117.69-12,630,467.49-5,431,307.25

Finding the Fourth Proportional to 9,153,117.69, 12,630,467.49 and 5,431,307.25

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Solution

The fourth proportional to 9,153,117.69, 12,630,467.49 and 5,431,307.25 is: 7,494,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,117.69 : 12,630,467.49 = 5,431,307.25 : x
  2. Step 2: Convert to fraction form
    9,153,117.69/12,630,467.49 = 5,431,307.25/x
  3. Step 3: Cross multiply
    9,153,117.69x = 12,630,467.49 × 5,431,307.25
  4. Step 4: Simplify right side
    9,153,117.69x = 68,599,949,649,326.30
  5. Step 5: Solve for x
    x = 68,599,949,649,326.30/9,153,117.69
  6. Step 6: Final answer
    x = 7,494,708.58

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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.