Home / 31,938,911.10-47,915,365.05-10,369,842.30

Finding the Fourth Proportional to 31,938,911.10, 47,915,365.05 and 10,369,842.30

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Solution

The fourth proportional to 31,938,911.10, 47,915,365.05 and 10,369,842.30 is: 15,557,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938,911.10 : 47,915,365.05 = 10,369,842.30 : x
  2. Step 2: Convert to fraction form
    31,938,911.10/47,915,365.05 = 10,369,842.30/x
  3. Step 3: Cross multiply
    31,938,911.10x = 47,915,365.05 × 10,369,842.30
  4. Step 4: Simplify right side
    31,938,911.10x = 496,874,779,315,431.62
  5. Step 5: Solve for x
    x = 496,874,779,315,431.62/31,938,911.10
  6. Step 6: Final answer
    x = 15,557,035.67

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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.