Home / 12,349,479.70-18,520,676.61-8,586,877.42

Finding the Fourth Proportional to 12,349,479.70, 18,520,676.61 and 8,586,877.42

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Solution

The fourth proportional to 12,349,479.70, 18,520,676.61 and 8,586,877.42 is: 12,877,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,479.70 : 18,520,676.61 = 8,586,877.42 : x
  2. Step 2: Convert to fraction form
    12,349,479.70/18,520,676.61 = 8,586,877.42/x
  3. Step 3: Cross multiply
    12,349,479.70x = 18,520,676.61 × 8,586,877.42
  4. Step 4: Simplify right side
    12,349,479.70x = 159,034,779,785,531.12
  5. Step 5: Solve for x
    x = 159,034,779,785,531.12/12,349,479.70
  6. Step 6: Final answer
    x = 12,877,852.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.