Home / 12,865,133.56-19,297,066.72-4,779,683.32

Finding the Fourth Proportional to 12,865,133.56, 19,297,066.72 and 4,779,683.32

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Solution

The fourth proportional to 12,865,133.56, 19,297,066.72 and 4,779,683.32 is: 7,169,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,133.56 : 19,297,066.72 = 4,779,683.32 : x
  2. Step 2: Convert to fraction form
    12,865,133.56/19,297,066.72 = 4,779,683.32/x
  3. Step 3: Cross multiply
    12,865,133.56x = 19,297,066.72 × 4,779,683.32
  4. Step 4: Simplify right side
    12,865,133.56x = 92,233,867,926,511.11
  5. Step 5: Solve for x
    x = 92,233,867,926,511.11/12,865,133.56
  6. Step 6: Final answer
    x = 7,169,289.58

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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.