Home / 7,516,749.28-10,373,114.01-4,078,990.31

Finding the Fourth Proportional to 7,516,749.28, 10,373,114.01 and 4,078,990.31

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Solution

The fourth proportional to 7,516,749.28, 10,373,114.01 and 4,078,990.31 is: 5,629,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,749.28 : 10,373,114.01 = 4,078,990.31 : x
  2. Step 2: Convert to fraction form
    7,516,749.28/10,373,114.01 = 4,078,990.31/x
  3. Step 3: Cross multiply
    7,516,749.28x = 10,373,114.01 × 4,078,990.31
  4. Step 4: Simplify right side
    7,516,749.28x = 42,311,831,531,315.24
  5. Step 5: Solve for x
    x = 42,311,831,531,315.24/7,516,749.28
  6. Step 6: Final answer
    x = 5,629,006.63

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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.