Home / 12,775,615.04-17,636,670.12-7,883,531.15

Finding the Fourth Proportional to 12,775,615.04, 17,636,670.12 and 7,883,531.15

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Solution

The fourth proportional to 12,775,615.04, 17,636,670.12 and 7,883,531.15 is: 10,883,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,615.04 : 17,636,670.12 = 7,883,531.15 : x
  2. Step 2: Convert to fraction form
    12,775,615.04/17,636,670.12 = 7,883,531.15/x
  3. Step 3: Cross multiply
    12,775,615.04x = 17,636,670.12 × 7,883,531.15
  4. Step 4: Simplify right side
    12,775,615.04x = 139,039,238,170,329.25
  5. Step 5: Solve for x
    x = 139,039,238,170,329.25/12,775,615.04
  6. Step 6: Final answer
    x = 10,883,173.74

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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.