Home / 38,308,307.50-52,866,580.80-20,905,773.67

Finding the Fourth Proportional to 38,308,307.50, 52,866,580.80 and 20,905,773.67

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Solution

The fourth proportional to 38,308,307.50, 52,866,580.80 and 20,905,773.67 is: 28,850,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,307.50 : 52,866,580.80 = 20,905,773.67 : x
  2. Step 2: Convert to fraction form
    38,308,307.50/52,866,580.80 = 20,905,773.67/x
  3. Step 3: Cross multiply
    38,308,307.50x = 52,866,580.80 × 20,905,773.67
  4. Step 4: Simplify right side
    38,308,307.50x = 1,105,216,772,911,567.62
  5. Step 5: Solve for x
    x = 1,105,216,772,911,567.62/38,308,307.50
  6. Step 6: Final answer
    x = 28,850,576.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.