Home / 31,890,603.40-47,835,905.10-22,148,830.60

Finding the Fourth Proportional to 31,890,603.40, 47,835,905.10 and 22,148,830.60

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Solution

The fourth proportional to 31,890,603.40, 47,835,905.10 and 22,148,830.60 is: 33,223,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,603.40 : 47,835,905.10 = 22,148,830.60 : x
  2. Step 2: Convert to fraction form
    31,890,603.40/47,835,905.10 = 22,148,830.60/x
  3. Step 3: Cross multiply
    31,890,603.40x = 47,835,905.10 × 22,148,830.60
  4. Step 4: Simplify right side
    31,890,603.40x = 1,059,509,358,657,576.12
  5. Step 5: Solve for x
    x = 1,059,509,358,657,576.12/31,890,603.40
  6. Step 6: Final answer
    x = 33,223,245.90

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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.