Home / 9,320,988.36-12,863,363.03-5,191,019.49

Finding the Fourth Proportional to 9,320,988.36, 12,863,363.03 and 5,191,019.49

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Solution

The fourth proportional to 9,320,988.36, 12,863,363.03 and 5,191,019.49 is: 7,163,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,988.36 : 12,863,363.03 = 5,191,019.49 : x
  2. Step 2: Convert to fraction form
    9,320,988.36/12,863,363.03 = 5,191,019.49/x
  3. Step 3: Cross multiply
    9,320,988.36x = 12,863,363.03 × 5,191,019.49
  4. Step 4: Simplify right side
    9,320,988.36x = 66,773,968,169,720.36
  5. Step 5: Solve for x
    x = 66,773,968,169,720.36/9,320,988.36
  6. Step 6: Final answer
    x = 7,163,829.16

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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.