Home / 9,712,720.94-13,403,203.16-5,361,713.60

Finding the Fourth Proportional to 9,712,720.94, 13,403,203.16 and 5,361,713.60

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Solution

The fourth proportional to 9,712,720.94, 13,403,203.16 and 5,361,713.60 is: 7,398,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,720.94 : 13,403,203.16 = 5,361,713.60 : x
  2. Step 2: Convert to fraction form
    9,712,720.94/13,403,203.16 = 5,361,713.60/x
  3. Step 3: Cross multiply
    9,712,720.94x = 13,403,203.16 × 5,361,713.60
  4. Step 4: Simplify right side
    9,712,720.94x = 71,864,136,572,710.39
  5. Step 5: Solve for x
    x = 71,864,136,572,710.39/9,712,720.94
  6. Step 6: Final answer
    x = 7,398,970.59

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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.