Home / 13,824,000.60-20,736,000.90-12,939,264.60

Finding the Fourth Proportional to 13,824,000.60, 20,736,000.90 and 12,939,264.60

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Solution

The fourth proportional to 13,824,000.60, 20,736,000.90 and 12,939,264.60 is: 19,408,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,000.60 : 20,736,000.90 = 12,939,264.60 : x
  2. Step 2: Convert to fraction form
    13,824,000.60/20,736,000.90 = 12,939,264.60/x
  3. Step 3: Cross multiply
    13,824,000.60x = 20,736,000.90 × 12,939,264.60
  4. Step 4: Simplify right side
    13,824,000.60x = 268,308,602,390,938.12
  5. Step 5: Solve for x
    x = 268,308,602,390,938.12/13,824,000.60
  6. Step 6: Final answer
    x = 19,408,896.90

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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.