Home / 12,748,350.75-19,116,900.06-3,648,376.38

Finding the Fourth Proportional to 12,748,350.75, 19,116,900.06 and 3,648,376.38

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Solution

The fourth proportional to 12,748,350.75, 19,116,900.06 and 3,648,376.38 is: 5,470,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,350.75 : 19,116,900.06 = 3,648,376.38 : x
  2. Step 2: Convert to fraction form
    12,748,350.75/19,116,900.06 = 3,648,376.38/x
  3. Step 3: Cross multiply
    12,748,350.75x = 19,116,900.06 × 3,648,376.38
  4. Step 4: Simplify right side
    12,748,350.75x = 69,745,646,637,724.58
  5. Step 5: Solve for x
    x = 69,745,646,637,724.58/12,748,350.75
  6. Step 6: Final answer
    x = 5,470,954.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.