Home / 31,938,323.70-47,907,485.55-18,459,405.30

Finding the Fourth Proportional to 31,938,323.70, 47,907,485.55 and 18,459,405.30

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Solution

The fourth proportional to 31,938,323.70, 47,907,485.55 and 18,459,405.30 is: 27,689,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938,323.70 : 47,907,485.55 = 18,459,405.30 : x
  2. Step 2: Convert to fraction form
    31,938,323.70/47,907,485.55 = 18,459,405.30/x
  3. Step 3: Cross multiply
    31,938,323.70x = 47,907,485.55 × 18,459,405.30
  4. Step 4: Simplify right side
    31,938,323.70x = 884,343,692,671,343.38
  5. Step 5: Solve for x
    x = 884,343,692,671,343.38/31,938,323.70
  6. Step 6: Final answer
    x = 27,689,107.95

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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.