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Finding the Fourth Proportional to 16,698,764.40, 24,992,159.40 and 14,683,225.20

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Solution

The fourth proportional to 16,698,764.40, 24,992,159.40 and 14,683,225.20 is: 21,975,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698,764.40 : 24,992,159.40 = 14,683,225.20 : x
  2. Step 2: Convert to fraction form
    16,698,764.40/24,992,159.40 = 14,683,225.20/x
  3. Step 3: Cross multiply
    16,698,764.40x = 24,992,159.40 × 14,683,225.20
  4. Step 4: Simplify right side
    16,698,764.40x = 366,965,504,704,496.81
  5. Step 5: Solve for x
    x = 366,965,504,704,496.81/16,698,764.40
  6. Step 6: Final answer
    x = 21,975,608.25

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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.