Home / 13,064,331.96-18,028,848.15-7,184,345.25

Finding the Fourth Proportional to 13,064,331.96, 18,028,848.15 and 7,184,345.25

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Solution

The fourth proportional to 13,064,331.96, 18,028,848.15 and 7,184,345.25 is: 9,914,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,331.96 : 18,028,848.15 = 7,184,345.25 : x
  2. Step 2: Convert to fraction form
    13,064,331.96/18,028,848.15 = 7,184,345.25/x
  3. Step 3: Cross multiply
    13,064,331.96x = 18,028,848.15 × 7,184,345.25
  4. Step 4: Simplify right side
    13,064,331.96x = 129,525,469,569,423.78
  5. Step 5: Solve for x
    x = 129,525,469,569,423.78/13,064,331.96
  6. Step 6: Final answer
    x = 9,914,434.96

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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.