Home / 14,939,869.46-20,616,739.90-9,138,225.02

Finding the Fourth Proportional to 14,939,869.46, 20,616,739.90 and 9,138,225.02

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Solution

The fourth proportional to 14,939,869.46, 20,616,739.90 and 9,138,225.02 is: 12,610,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,869.46 : 20,616,739.90 = 9,138,225.02 : x
  2. Step 2: Convert to fraction form
    14,939,869.46/20,616,739.90 = 9,138,225.02/x
  3. Step 3: Cross multiply
    14,939,869.46x = 20,616,739.90 × 9,138,225.02
  4. Step 4: Simplify right side
    14,939,869.46x = 188,400,408,385,012.28
  5. Step 5: Solve for x
    x = 188,400,408,385,012.28/14,939,869.46
  6. Step 6: Final answer
    x = 12,610,579.29

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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.