Home / 9,966,518.20-14,956,775.70-4,290,815.80

Finding the Fourth Proportional to 9,966,518.20, 14,956,775.70 and 4,290,815.80

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Solution

The fourth proportional to 9,966,518.20, 14,956,775.70 and 4,290,815.80 is: 6,439,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,518.20 : 14,956,775.70 = 4,290,815.80 : x
  2. Step 2: Convert to fraction form
    9,966,518.20/14,956,775.70 = 4,290,815.80/x
  3. Step 3: Cross multiply
    9,966,518.20x = 14,956,775.70 × 4,290,815.80
  4. Step 4: Simplify right side
    9,966,518.20x = 64,176,769,490,616.05
  5. Step 5: Solve for x
    x = 64,176,769,490,616.05/9,966,518.20
  6. Step 6: Final answer
    x = 6,439,236.67

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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.