Home / 31,958,885.40-47,938,328.10-11,772,000.60

Finding the Fourth Proportional to 31,958,885.40, 47,938,328.10 and 11,772,000.60

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Solution

The fourth proportional to 31,958,885.40, 47,938,328.10 and 11,772,000.60 is: 17,658,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,958,885.40 : 47,938,328.10 = 11,772,000.60 : x
  2. Step 2: Convert to fraction form
    31,958,885.40/47,938,328.10 = 11,772,000.60/x
  3. Step 3: Cross multiply
    31,958,885.40x = 47,938,328.10 × 11,772,000.60
  4. Step 4: Simplify right side
    31,958,885.40x = 564,330,027,156,196.88
  5. Step 5: Solve for x
    x = 564,330,027,156,196.88/31,958,885.40
  6. Step 6: Final answer
    x = 17,658,000.90

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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.