Home / 21,044,140.40-31,550,464.20-11,470,329.20

Finding the Fourth Proportional to 21,044,140.40, 31,550,464.20 and 11,470,329.20

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Solution

The fourth proportional to 21,044,140.40, 31,550,464.20 and 11,470,329.20 is: 17,196,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044,140.40 : 31,550,464.20 = 11,470,329.20 : x
  2. Step 2: Convert to fraction form
    21,044,140.40/31,550,464.20 = 11,470,329.20/x
  3. Step 3: Cross multiply
    21,044,140.40x = 31,550,464.20 × 11,470,329.20
  4. Step 4: Simplify right side
    21,044,140.40x = 361,894,210,786,814.62
  5. Step 5: Solve for x
    x = 361,894,210,786,814.62/21,044,140.40
  6. Step 6: Final answer
    x = 17,196,911.06

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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.