Home / 5,162,157.12-7,742,731.14-1,567,955.28

Finding the Fourth Proportional to 5,162,157.12, 7,742,731.14 and 1,567,955.28

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Solution

The fourth proportional to 5,162,157.12, 7,742,731.14 and 1,567,955.28 is: 2,351,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,157.12 : 7,742,731.14 = 1,567,955.28 : x
  2. Step 2: Convert to fraction form
    5,162,157.12/7,742,731.14 = 1,567,955.28/x
  3. Step 3: Cross multiply
    5,162,157.12x = 7,742,731.14 × 1,567,955.28
  4. Step 4: Simplify right side
    5,162,157.12x = 12,140,256,172,583.42
  5. Step 5: Solve for x
    x = 12,140,256,172,583.42/5,162,157.12
  6. Step 6: Final answer
    x = 2,351,779.67

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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.