Home / 11,127,829.71-15,348,736.73-7,827,124.57

Finding the Fourth Proportional to 11,127,829.71, 15,348,736.73 and 7,827,124.57

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Solution

The fourth proportional to 11,127,829.71, 15,348,736.73 and 7,827,124.57 is: 10,796,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,829.71 : 15,348,736.73 = 7,827,124.57 : x
  2. Step 2: Convert to fraction form
    11,127,829.71/15,348,736.73 = 7,827,124.57/x
  3. Step 3: Cross multiply
    11,127,829.71x = 15,348,736.73 × 7,827,124.57
  4. Step 4: Simplify right side
    11,127,829.71x = 120,136,474,315,012.84
  5. Step 5: Solve for x
    x = 120,136,474,315,012.84/11,127,829.71
  6. Step 6: Final answer
    x = 10,796,038.17

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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.