Home / 8,736,053.80-13,104,080.70-7,938,236.20

Finding the Fourth Proportional to 8,736,053.80, 13,104,080.70 and 7,938,236.20

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Solution

The fourth proportional to 8,736,053.80, 13,104,080.70 and 7,938,236.20 is: 11,907,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,053.80 : 13,104,080.70 = 7,938,236.20 : x
  2. Step 2: Convert to fraction form
    8,736,053.80/13,104,080.70 = 7,938,236.20/x
  3. Step 3: Cross multiply
    8,736,053.80x = 13,104,080.70 × 7,938,236.20
  4. Step 4: Simplify right side
    8,736,053.80x = 104,023,287,780,461.34
  5. Step 5: Solve for x
    x = 104,023,287,780,461.34/8,736,053.80
  6. Step 6: Final answer
    x = 11,907,354.30

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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.