Home / 31,353,084.40-47,035,683.08-11,920,799.50

Finding the Fourth Proportional to 31,353,084.40, 47,035,683.08 and 11,920,799.50

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Solution

The fourth proportional to 31,353,084.40, 47,035,683.08 and 11,920,799.50 is: 17,883,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,084.40 : 47,035,683.08 = 11,920,799.50 : x
  2. Step 2: Convert to fraction form
    31,353,084.40/47,035,683.08 = 11,920,799.50/x
  3. Step 3: Cross multiply
    31,353,084.40x = 47,035,683.08 × 11,920,799.50
  4. Step 4: Simplify right side
    31,353,084.40x = 560,702,947,342,222.44
  5. Step 5: Solve for x
    x = 560,702,947,342,222.44/31,353,084.40
  6. Step 6: Final answer
    x = 17,883,501.99

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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.