Home / 19,118,462.69-28,677,668.00-8,877,722.64

Finding the Fourth Proportional to 19,118,462.69, 28,677,668.00 and 8,877,722.64

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Solution

The fourth proportional to 19,118,462.69, 28,677,668.00 and 8,877,722.64 is: 13,316,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118,462.69 : 28,677,668.00 = 8,877,722.64 : x
  2. Step 2: Convert to fraction form
    19,118,462.69/28,677,668.00 = 8,877,722.64/x
  3. Step 3: Cross multiply
    19,118,462.69x = 28,677,668.00 × 8,877,722.64
  4. Step 4: Simplify right side
    19,118,462.69x = 254,592,382,421,614.94
  5. Step 5: Solve for x
    x = 254,592,382,421,614.94/19,118,462.69
  6. Step 6: Final answer
    x = 13,316,571.87

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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.