Home / 12,884,504.74-17,780,984.54-7,855,544.47

Finding the Fourth Proportional to 12,884,504.74, 17,780,984.54 and 7,855,544.47

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Solution

The fourth proportional to 12,884,504.74, 17,780,984.54 and 7,855,544.47 is: 10,840,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,504.74 : 17,780,984.54 = 7,855,544.47 : x
  2. Step 2: Convert to fraction form
    12,884,504.74/17,780,984.54 = 7,855,544.47/x
  3. Step 3: Cross multiply
    12,884,504.74x = 17,780,984.54 × 7,855,544.47
  4. Step 4: Simplify right side
    12,884,504.74x = 139,679,314,747,598.36
  5. Step 5: Solve for x
    x = 139,679,314,747,598.36/12,884,504.74
  6. Step 6: Final answer
    x = 10,840,875.73

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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.