Home / 14,970,021.27-20,658,898.46-8,779,532.85

Finding the Fourth Proportional to 14,970,021.27, 20,658,898.46 and 8,779,532.85

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Solution

The fourth proportional to 14,970,021.27, 20,658,898.46 and 8,779,532.85 is: 12,115,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970,021.27 : 20,658,898.46 = 8,779,532.85 : x
  2. Step 2: Convert to fraction form
    14,970,021.27/20,658,898.46 = 8,779,532.85/x
  3. Step 3: Cross multiply
    14,970,021.27x = 20,658,898.46 × 8,779,532.85
  4. Step 4: Simplify right side
    14,970,021.27x = 181,375,477,674,384.41
  5. Step 5: Solve for x
    x = 181,375,477,674,384.41/14,970,021.27
  6. Step 6: Final answer
    x = 12,115,913.16

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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.