Home / 10,432,023.40-15,655,811.10-5,380,733.80

Finding the Fourth Proportional to 10,432,023.40, 15,655,811.10 and 5,380,733.80

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Solution

The fourth proportional to 10,432,023.40, 15,655,811.10 and 5,380,733.80 is: 8,075,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432,023.40 : 15,655,811.10 = 5,380,733.80 : x
  2. Step 2: Convert to fraction form
    10,432,023.40/15,655,811.10 = 5,380,733.80/x
  3. Step 3: Cross multiply
    10,432,023.40x = 15,655,811.10 × 5,380,733.80
  4. Step 4: Simplify right side
    10,432,023.40x = 84,239,751,952,185.17
  5. Step 5: Solve for x
    x = 84,239,751,952,185.17/10,432,023.40
  6. Step 6: Final answer
    x = 8,075,111.48

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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.