Home / 13,112,015.40-19,668,023.10-4,136,567.40

Finding the Fourth Proportional to 13,112,015.40, 19,668,023.10 and 4,136,567.40

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Solution

The fourth proportional to 13,112,015.40, 19,668,023.10 and 4,136,567.40 is: 6,204,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,015.40 : 19,668,023.10 = 4,136,567.40 : x
  2. Step 2: Convert to fraction form
    13,112,015.40/19,668,023.10 = 4,136,567.40/x
  3. Step 3: Cross multiply
    13,112,015.40x = 19,668,023.10 × 4,136,567.40
  4. Step 4: Simplify right side
    13,112,015.40x = 81,358,103,177,906.94
  5. Step 5: Solve for x
    x = 81,358,103,177,906.94/13,112,015.40
  6. Step 6: Final answer
    x = 6,204,851.10

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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.