Home / 13,470,830.80-20,206,246.20-9,219,302.80

Finding the Fourth Proportional to 13,470,830.80, 20,206,246.20 and 9,219,302.80

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Solution

The fourth proportional to 13,470,830.80, 20,206,246.20 and 9,219,302.80 is: 13,828,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,830.80 : 20,206,246.20 = 9,219,302.80 : x
  2. Step 2: Convert to fraction form
    13,470,830.80/20,206,246.20 = 9,219,302.80/x
  3. Step 3: Cross multiply
    13,470,830.80x = 20,206,246.20 × 9,219,302.80
  4. Step 4: Simplify right side
    13,470,830.80x = 186,287,502,169,149.38
  5. Step 5: Solve for x
    x = 186,287,502,169,149.38/13,470,830.80
  6. Step 6: Final answer
    x = 13,828,954.20

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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.