Home / 10,353,001.20-15,529,501.80-2,780,732.40

Finding the Fourth Proportional to 10,353,001.20, 15,529,501.80 and 2,780,732.40

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Solution

The fourth proportional to 10,353,001.20, 15,529,501.80 and 2,780,732.40 is: 4,171,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353,001.20 : 15,529,501.80 = 2,780,732.40 : x
  2. Step 2: Convert to fraction form
    10,353,001.20/15,529,501.80 = 2,780,732.40/x
  3. Step 3: Cross multiply
    10,353,001.20x = 15,529,501.80 × 2,780,732.40
  4. Step 4: Simplify right side
    10,353,001.20x = 43,183,388,811,118.32
  5. Step 5: Solve for x
    x = 43,183,388,811,118.32/10,353,001.20
  6. Step 6: Final answer
    x = 4,171,098.60

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1.5x scale

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.