Home / 12,648,802.07-18,980,759.51-11,619,707.15

Finding the Fourth Proportional to 12,648,802.07, 18,980,759.51 and 11,619,707.15

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Solution

The fourth proportional to 12,648,802.07, 18,980,759.51 and 11,619,707.15 is: 17,436,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,802.07 : 18,980,759.51 = 11,619,707.15 : x
  2. Step 2: Convert to fraction form
    12,648,802.07/18,980,759.51 = 11,619,707.15/x
  3. Step 3: Cross multiply
    12,648,802.07x = 18,980,759.51 × 11,619,707.15
  4. Step 4: Simplify right side
    12,648,802.07x = 220,550,866,837,775.16
  5. Step 5: Solve for x
    x = 220,550,866,837,775.16/12,648,802.07
  6. Step 6: Final answer
    x = 17,436,502.34

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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.