Home / 13,779,169.84-19,005,573.30-9,068,064.35

Finding the Fourth Proportional to 13,779,169.84, 19,005,573.30 and 9,068,064.35

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Solution

The fourth proportional to 13,779,169.84, 19,005,573.30 and 9,068,064.35 is: 12,507,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,169.84 : 19,005,573.30 = 9,068,064.35 : x
  2. Step 2: Convert to fraction form
    13,779,169.84/19,005,573.30 = 9,068,064.35/x
  3. Step 3: Cross multiply
    13,779,169.84x = 19,005,573.30 × 9,068,064.35
  4. Step 4: Simplify right side
    13,779,169.84x = 172,343,761,589,517.22
  5. Step 5: Solve for x
    x = 172,343,761,589,517.22/13,779,169.84
  6. Step 6: Final answer
    x = 12,507,557.68

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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.