Home / 12,984,584-19,464,218.40-5,413,714.88

Finding the Fourth Proportional to 12,984,584, 19,464,218.40 and 5,413,714.88

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Solution

The fourth proportional to 12,984,584, 19,464,218.40 and 5,413,714.88 is: 8,115,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,584 : 19,464,218.40 = 5,413,714.88 : x
  2. Step 2: Convert to fraction form
    12,984,584/19,464,218.40 = 5,413,714.88/x
  3. Step 3: Cross multiply
    12,984,584x = 19,464,218.40 × 5,413,714.88
  4. Step 4: Simplify right side
    12,984,584x = 105,373,728,779,649.78
  5. Step 5: Solve for x
    x = 105,373,728,779,649.78/12,984,584
  6. Step 6: Final answer
    x = 8,115,294.94

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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.