Home / 14,014,905.60-21,022,358.40-13,920,427.20

Finding the Fourth Proportional to 14,014,905.60, 21,022,358.40 and 13,920,427.20

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Solution

The fourth proportional to 14,014,905.60, 21,022,358.40 and 13,920,427.20 is: 20,880,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,905.60 : 21,022,358.40 = 13,920,427.20 : x
  2. Step 2: Convert to fraction form
    14,014,905.60/21,022,358.40 = 13,920,427.20/x
  3. Step 3: Cross multiply
    14,014,905.60x = 21,022,358.40 × 13,920,427.20
  4. Step 4: Simplify right side
    14,014,905.60x = 292,640,209,679,508.44
  5. Step 5: Solve for x
    x = 292,640,209,679,508.44/14,014,905.60
  6. Step 6: Final answer
    x = 20,880,640.80

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1.5x scale

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.