Home / 15,768,809.65-23,634,669.93-7,122,818.62

Finding the Fourth Proportional to 15,768,809.65, 23,634,669.93 and 7,122,818.62

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Solution

The fourth proportional to 15,768,809.65, 23,634,669.93 and 7,122,818.62 is: 10,675,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,809.65 : 23,634,669.93 = 7,122,818.62 : x
  2. Step 2: Convert to fraction form
    15,768,809.65/23,634,669.93 = 7,122,818.62/x
  3. Step 3: Cross multiply
    15,768,809.65x = 23,634,669.93 × 7,122,818.62
  4. Step 4: Simplify right side
    15,768,809.65x = 168,345,467,054,958.09
  5. Step 5: Solve for x
    x = 168,345,467,054,958.09/15,768,809.65
  6. Step 6: Final answer
    x = 10,675,851.30

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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.