Home / 13,032,152.12-17,984,094.72-7,230,809

Finding the Fourth Proportional to 13,032,152.12, 17,984,094.72 and 7,230,809

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Solution

The fourth proportional to 13,032,152.12, 17,984,094.72 and 7,230,809 is: 9,978,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,152.12 : 17,984,094.72 = 7,230,809 : x
  2. Step 2: Convert to fraction form
    13,032,152.12/17,984,094.72 = 7,230,809/x
  3. Step 3: Cross multiply
    13,032,152.12x = 17,984,094.72 × 7,230,809
  4. Step 4: Simplify right side
    13,032,152.12x = 130,039,553,958,228.47
  5. Step 5: Solve for x
    x = 130,039,553,958,228.47/13,032,152.12
  6. Step 6: Final answer
    x = 9,978,363.72

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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.