Home / 15,570,698.47-21,487,744.23-8,601,231.64

Finding the Fourth Proportional to 15,570,698.47, 21,487,744.23 and 8,601,231.64

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Solution

The fourth proportional to 15,570,698.47, 21,487,744.23 and 8,601,231.64 is: 11,869,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,570,698.47 : 21,487,744.23 = 8,601,231.64 : x
  2. Step 2: Convert to fraction form
    15,570,698.47/21,487,744.23 = 8,601,231.64/x
  3. Step 3: Cross multiply
    15,570,698.47x = 21,487,744.23 × 8,601,231.64
  4. Step 4: Simplify right side
    15,570,698.47x = 184,821,065,543,303.47
  5. Step 5: Solve for x
    x = 184,821,065,543,303.47/15,570,698.47
  6. Step 6: Final answer
    x = 11,869,799.28

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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.