Home / 30,280,166.40-45,430,747.20-13,253,059.20

Finding the Fourth Proportional to 30,280,166.40, 45,430,747.20 and 13,253,059.20

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Solution

The fourth proportional to 30,280,166.40, 45,430,747.20 and 13,253,059.20 is: 19,884,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280,166.40 : 45,430,747.20 = 13,253,059.20 : x
  2. Step 2: Convert to fraction form
    30,280,166.40/45,430,747.20 = 13,253,059.20/x
  3. Step 3: Cross multiply
    30,280,166.40x = 45,430,747.20 × 13,253,059.20
  4. Step 4: Simplify right side
    30,280,166.40x = 602,096,382,141,834.25
  5. Step 5: Solve for x
    x = 602,096,382,141,834.25/30,280,166.40
  6. Step 6: Final answer
    x = 19,884,183.40

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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.