Home / 7,909,771.48-10,916,298.21-4,812,514.72

Finding the Fourth Proportional to 7,909,771.48, 10,916,298.21 and 4,812,514.72

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Solution

The fourth proportional to 7,909,771.48, 10,916,298.21 and 4,812,514.72 is: 6,641,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,771.48 : 10,916,298.21 = 4,812,514.72 : x
  2. Step 2: Convert to fraction form
    7,909,771.48/10,916,298.21 = 4,812,514.72/x
  3. Step 3: Cross multiply
    7,909,771.48x = 10,916,298.21 × 4,812,514.72
  4. Step 4: Simplify right side
    7,909,771.48x = 52,534,845,823,534.66
  5. Step 5: Solve for x
    x = 52,534,845,823,534.66/7,909,771.48
  6. Step 6: Final answer
    x = 6,641,765.31

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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.