Home / 7,318,220.96-10,977,355.20-1,853,312.72

Finding the Fourth Proportional to 7,318,220.96, 10,977,355.20 and 1,853,312.72

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Solution

The fourth proportional to 7,318,220.96, 10,977,355.20 and 1,853,312.72 is: 2,779,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,220.96 : 10,977,355.20 = 1,853,312.72 : x
  2. Step 2: Convert to fraction form
    7,318,220.96/10,977,355.20 = 1,853,312.72/x
  3. Step 3: Cross multiply
    7,318,220.96x = 10,977,355.20 × 1,853,312.72
  4. Step 4: Simplify right side
    7,318,220.96x = 20,344,472,024,118.14
  5. Step 5: Solve for x
    x = 20,344,472,024,118.14/7,318,220.96
  6. Step 6: Final answer
    x = 2,779,975.10

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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.