Home / 15,509,306.69-21,403,001.62-8,540,632.27

Finding the Fourth Proportional to 15,509,306.69, 21,403,001.62 and 8,540,632.27

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Solution

The fourth proportional to 15,509,306.69, 21,403,001.62 and 8,540,632.27 is: 11,786,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509,306.69 : 21,403,001.62 = 8,540,632.27 : x
  2. Step 2: Convert to fraction form
    15,509,306.69/21,403,001.62 = 8,540,632.27/x
  3. Step 3: Cross multiply
    15,509,306.69x = 21,403,001.62 × 8,540,632.27
  4. Step 4: Simplify right side
    15,509,306.69x = 182,795,166,316,036.44
  5. Step 5: Solve for x
    x = 182,795,166,316,036.44/15,509,306.69
  6. Step 6: Final answer
    x = 11,786,159.75

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1.5x scale

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.