Home / 9,721,287.36-13,415,334.48-5,370,373.44

Finding the Fourth Proportional to 9,721,287.36, 13,415,334.48 and 5,370,373.44

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Solution

The fourth proportional to 9,721,287.36, 13,415,334.48 and 5,370,373.44 is: 7,411,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,287.36 : 13,415,334.48 = 5,370,373.44 : x
  2. Step 2: Convert to fraction form
    9,721,287.36/13,415,334.48 = 5,370,373.44/x
  3. Step 3: Cross multiply
    9,721,287.36x = 13,415,334.48 × 5,370,373.44
  4. Step 4: Simplify right side
    9,721,287.36x = 72,045,355,980,108.22
  5. Step 5: Solve for x
    x = 72,045,355,980,108.22/9,721,287.36
  6. Step 6: Final answer
    x = 7,411,092.10

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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.