Home / 7,360,689.32-10,157,038.80-5,427,990.44

Finding the Fourth Proportional to 7,360,689.32, 10,157,038.80 and 5,427,990.44

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Solution

The fourth proportional to 7,360,689.32, 10,157,038.80 and 5,427,990.44 is: 7,490,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360,689.32 : 10,157,038.80 = 5,427,990.44 : x
  2. Step 2: Convert to fraction form
    7,360,689.32/10,157,038.80 = 5,427,990.44/x
  3. Step 3: Cross multiply
    7,360,689.32x = 10,157,038.80 × 5,427,990.44
  4. Step 4: Simplify right side
    7,360,689.32x = 55,132,309,505,109.08
  5. Step 5: Solve for x
    x = 55,132,309,505,109.08/7,360,689.32
  6. Step 6: Final answer
    x = 7,490,101.42

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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.