Home / 28,994,950.35-40,013,182.08-15,943,050

Finding the Fourth Proportional to 28,994,950.35, 40,013,182.08 and 15,943,050

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Solution

The fourth proportional to 28,994,950.35, 40,013,182.08 and 15,943,050 is: 22,001,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994,950.35 : 40,013,182.08 = 15,943,050 : x
  2. Step 2: Convert to fraction form
    28,994,950.35/40,013,182.08 = 15,943,050/x
  3. Step 3: Cross multiply
    28,994,950.35x = 40,013,182.08 × 15,943,050
  4. Step 4: Simplify right side
    28,994,950.35x = 637,932,162,560,544
  5. Step 5: Solve for x
    x = 637,932,162,560,544/28,994,950.35
  6. Step 6: Final answer
    x = 22,001,491.81

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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.