Home / 7,406,514.75-10,221,005.30-4,143,383.97

Finding the Fourth Proportional to 7,406,514.75, 10,221,005.30 and 4,143,383.97

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Solution

The fourth proportional to 7,406,514.75, 10,221,005.30 and 4,143,383.97 is: 5,717,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406,514.75 : 10,221,005.30 = 4,143,383.97 : x
  2. Step 2: Convert to fraction form
    7,406,514.75/10,221,005.30 = 4,143,383.97/x
  3. Step 3: Cross multiply
    7,406,514.75x = 10,221,005.30 × 4,143,383.97
  4. Step 4: Simplify right side
    7,406,514.75x = 42,349,549,539,059.04
  5. Step 5: Solve for x
    x = 42,349,549,539,059.04/7,406,514.75
  6. Step 6: Final answer
    x = 5,717,878.24

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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.