Home / 11,470,121.73-15,820,707.20-7,548,628.50

Finding the Fourth Proportional to 11,470,121.73, 15,820,707.20 and 7,548,628.50

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Solution

The fourth proportional to 11,470,121.73, 15,820,707.20 and 7,548,628.50 is: 10,411,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470,121.73 : 15,820,707.20 = 7,548,628.50 : x
  2. Step 2: Convert to fraction form
    11,470,121.73/15,820,707.20 = 7,548,628.50/x
  3. Step 3: Cross multiply
    11,470,121.73x = 15,820,707.20 × 7,548,628.50
  4. Step 4: Simplify right side
    11,470,121.73x = 119,424,641,222,332.06
  5. Step 5: Solve for x
    x = 119,424,641,222,332.06/11,470,121.73
  6. Step 6: Final answer
    x = 10,411,802.42

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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.