Home / 15,249,993.40-21,027,211.07-11,375,788.51

Finding the Fourth Proportional to 15,249,993.40, 21,027,211.07 and 11,375,788.51

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Solution

The fourth proportional to 15,249,993.40, 21,027,211.07 and 11,375,788.51 is: 15,685,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,993.40 : 21,027,211.07 = 11,375,788.51 : x
  2. Step 2: Convert to fraction form
    15,249,993.40/21,027,211.07 = 11,375,788.51/x
  3. Step 3: Cross multiply
    15,249,993.40x = 21,027,211.07 × 11,375,788.51
  4. Step 4: Simplify right side
    15,249,993.40x = 239,201,106,087,450.81
  5. Step 5: Solve for x
    x = 239,201,106,087,450.81/15,249,993.40
  6. Step 6: Final answer
    x = 15,685,325.22

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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.