Home / 8,340,058.79-11,503,346.71-7,653,946.77

Finding the Fourth Proportional to 8,340,058.79, 11,503,346.71 and 7,653,946.77

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Solution

The fourth proportional to 8,340,058.79, 11,503,346.71 and 7,653,946.77 is: 10,557,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,058.79 : 11,503,346.71 = 7,653,946.77 : x
  2. Step 2: Convert to fraction form
    8,340,058.79/11,503,346.71 = 7,653,946.77/x
  3. Step 3: Cross multiply
    8,340,058.79x = 11,503,346.71 × 7,653,946.77
  4. Step 4: Simplify right side
    8,340,058.79x = 88,046,003,299,408.16
  5. Step 5: Solve for x
    x = 88,046,003,299,408.16/8,340,058.79
  6. Step 6: Final answer
    x = 10,557,000.32

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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.