Home / 13,319,332.65-19,970,908.59-5,222,607.75

Finding the Fourth Proportional to 13,319,332.65, 19,970,908.59 and 5,222,607.75

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Solution

The fourth proportional to 13,319,332.65, 19,970,908.59 and 5,222,607.75 is: 7,830,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,332.65 : 19,970,908.59 = 5,222,607.75 : x
  2. Step 2: Convert to fraction form
    13,319,332.65/19,970,908.59 = 5,222,607.75/x
  3. Step 3: Cross multiply
    13,319,332.65x = 19,970,908.59 × 5,222,607.75
  4. Step 4: Simplify right side
    13,319,332.65x = 104,300,221,976,675.58
  5. Step 5: Solve for x
    x = 104,300,221,976,675.58/13,319,332.65
  6. Step 6: Final answer
    x = 7,830,739.33

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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.