Home / 15,547,120.16-21,455,100-8,577,797.27

Finding the Fourth Proportional to 15,547,120.16, 21,455,100 and 8,577,797.27

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Solution

The fourth proportional to 15,547,120.16, 21,455,100 and 8,577,797.27 is: 11,837,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547,120.16 : 21,455,100 = 8,577,797.27 : x
  2. Step 2: Convert to fraction form
    15,547,120.16/21,455,100 = 8,577,797.27/x
  3. Step 3: Cross multiply
    15,547,120.16x = 21,455,100 × 8,577,797.27
  4. Step 4: Simplify right side
    15,547,120.16x = 184,037,498,261,214.78
  5. Step 5: Solve for x
    x = 184,037,498,261,214.78/15,547,120.16
  6. Step 6: Final answer
    x = 11,837,401.16

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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.