Home / 8,678,058.54-13,019,525.10-3,213,071.16

Finding the Fourth Proportional to 8,678,058.54, 13,019,525.10 and 3,213,071.16

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Solution

The fourth proportional to 8,678,058.54, 13,019,525.10 and 3,213,071.16 is: 4,820,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,058.54 : 13,019,525.10 = 3,213,071.16 : x
  2. Step 2: Convert to fraction form
    8,678,058.54/13,019,525.10 = 3,213,071.16/x
  3. Step 3: Cross multiply
    8,678,058.54x = 13,019,525.10 × 3,213,071.16
  4. Step 4: Simplify right side
    8,678,058.54x = 41,832,660,615,706.12
  5. Step 5: Solve for x
    x = 41,832,660,615,706.12/8,678,058.54
  6. Step 6: Final answer
    x = 4,820,509.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.