Home / 13,301,548.34-18,356,220.69-7,189,962.26

Finding the Fourth Proportional to 13,301,548.34, 18,356,220.69 and 7,189,962.26

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Solution

The fourth proportional to 13,301,548.34, 18,356,220.69 and 7,189,962.26 is: 9,922,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,548.34 : 18,356,220.69 = 7,189,962.26 : x
  2. Step 2: Convert to fraction form
    13,301,548.34/18,356,220.69 = 7,189,962.26/x
  3. Step 3: Cross multiply
    13,301,548.34x = 18,356,220.69 × 7,189,962.26
  4. Step 4: Simplify right side
    13,301,548.34x = 131,980,533,997,331.17
  5. Step 5: Solve for x
    x = 131,980,533,997,331.17/13,301,548.34
  6. Step 6: Final answer
    x = 9,922,193.31

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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.