Home / 13,589,099.48-18,753,733.20-7,788,847.40

Finding the Fourth Proportional to 13,589,099.48, 18,753,733.20 and 7,788,847.40

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Solution

The fourth proportional to 13,589,099.48, 18,753,733.20 and 7,788,847.40 is: 10,749,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,099.48 : 18,753,733.20 = 7,788,847.40 : x
  2. Step 2: Convert to fraction form
    13,589,099.48/18,753,733.20 = 7,788,847.40/x
  3. Step 3: Cross multiply
    13,589,099.48x = 18,753,733.20 × 7,788,847.40
  4. Step 4: Simplify right side
    13,589,099.48x = 146,069,966,075,113.69
  5. Step 5: Solve for x
    x = 146,069,966,075,113.69/13,589,099.48
  6. Step 6: Final answer
    x = 10,749,054.14

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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.