Home / 15,089,311.69-20,823,752.55-8,475,063.94

Finding the Fourth Proportional to 15,089,311.69, 20,823,752.55 and 8,475,063.94

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Solution

The fourth proportional to 15,089,311.69, 20,823,752.55 and 8,475,063.94 is: 11,695,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089,311.69 : 20,823,752.55 = 8,475,063.94 : x
  2. Step 2: Convert to fraction form
    15,089,311.69/20,823,752.55 = 8,475,063.94/x
  3. Step 3: Cross multiply
    15,089,311.69x = 20,823,752.55 × 8,475,063.94
  4. Step 4: Simplify right side
    15,089,311.69x = 176,482,634,381,171.53
  5. Step 5: Solve for x
    x = 176,482,634,381,171.53/15,089,311.69
  6. Step 6: Final answer
    x = 11,695,870.43

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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.