Home / 28,056,008.64-38,723,746.84-16,457,308.82

Finding the Fourth Proportional to 28,056,008.64, 38,723,746.84 and 16,457,308.82

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Solution

The fourth proportional to 28,056,008.64, 38,723,746.84 and 16,457,308.82 is: 22,714,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056,008.64 : 38,723,746.84 = 16,457,308.82 : x
  2. Step 2: Convert to fraction form
    28,056,008.64/38,723,746.84 = 16,457,308.82/x
  3. Step 3: Cross multiply
    28,056,008.64x = 38,723,746.84 × 16,457,308.82
  4. Step 4: Simplify right side
    28,056,008.64x = 637,288,660,413,379.25
  5. Step 5: Solve for x
    x = 637,288,660,413,379.25/28,056,008.64
  6. Step 6: Final answer
    x = 22,714,872.55

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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.