Home / 30,602,618.60-45,903,927.90-7,883,515.85

Finding the Fourth Proportional to 30,602,618.60, 45,903,927.90 and 7,883,515.85

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Solution

The fourth proportional to 30,602,618.60, 45,903,927.90 and 7,883,515.85 is: 11,825,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,618.60 : 45,903,927.90 = 7,883,515.85 : x
  2. Step 2: Convert to fraction form
    30,602,618.60/45,903,927.90 = 7,883,515.85/x
  3. Step 3: Cross multiply
    30,602,618.60x = 45,903,927.90 × 7,883,515.85
  4. Step 4: Simplify right side
    30,602,618.60x = 361,884,343,176,907.19
  5. Step 5: Solve for x
    x = 361,884,343,176,907.19/30,602,618.60
  6. Step 6: Final answer
    x = 11,825,273.78

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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.