Home / 13,235,857.06-19,792,834.70-12,590,155.84

Finding the Fourth Proportional to 13,235,857.06, 19,792,834.70 and 12,590,155.84

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Solution

The fourth proportional to 13,235,857.06, 19,792,834.70 and 12,590,155.84 is: 18,827,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,857.06 : 19,792,834.70 = 12,590,155.84 : x
  2. Step 2: Convert to fraction form
    13,235,857.06/19,792,834.70 = 12,590,155.84/x
  3. Step 3: Cross multiply
    13,235,857.06x = 19,792,834.70 × 12,590,155.84
  4. Step 4: Simplify right side
    13,235,857.06x = 249,194,873,388,359.62
  5. Step 5: Solve for x
    x = 249,194,873,388,359.62/13,235,857.06
  6. Step 6: Final answer
    x = 18,827,256.31

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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.