Home / 13,453,752.30-20,180,628.45-12,745,164.30

Finding the Fourth Proportional to 13,453,752.30, 20,180,628.45 and 12,745,164.30

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Solution

The fourth proportional to 13,453,752.30, 20,180,628.45 and 12,745,164.30 is: 19,117,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,752.30 : 20,180,628.45 = 12,745,164.30 : x
  2. Step 2: Convert to fraction form
    13,453,752.30/20,180,628.45 = 12,745,164.30/x
  3. Step 3: Cross multiply
    13,453,752.30x = 20,180,628.45 × 12,745,164.30
  4. Step 4: Simplify right side
    13,453,752.30x = 257,205,425,272,504.34
  5. Step 5: Solve for x
    x = 257,205,425,272,504.34/13,453,752.30
  6. Step 6: Final answer
    x = 19,117,746.45

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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.