Home / 12,880,929.19-17,775,819.60-7,000,563.34

Finding the Fourth Proportional to 12,880,929.19, 17,775,819.60 and 7,000,563.34

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Solution

The fourth proportional to 12,880,929.19, 17,775,819.60 and 7,000,563.34 is: 9,660,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,929.19 : 17,775,819.60 = 7,000,563.34 : x
  2. Step 2: Convert to fraction form
    12,880,929.19/17,775,819.60 = 7,000,563.34/x
  3. Step 3: Cross multiply
    12,880,929.19x = 17,775,819.60 × 7,000,563.34
  4. Step 4: Simplify right side
    12,880,929.19x = 124,440,751,030,213.47
  5. Step 5: Solve for x
    x = 124,440,751,030,213.47/12,880,929.19
  6. Step 6: Final answer
    x = 9,660,852.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.