Home / 12,888,624.93-19,330,214.51-3,788,247.26

Finding the Fourth Proportional to 12,888,624.93, 19,330,214.51 and 3,788,247.26

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Solution

The fourth proportional to 12,888,624.93, 19,330,214.51 and 3,788,247.26 is: 5,681,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,624.93 : 19,330,214.51 = 3,788,247.26 : x
  2. Step 2: Convert to fraction form
    12,888,624.93/19,330,214.51 = 3,788,247.26/x
  3. Step 3: Cross multiply
    12,888,624.93x = 19,330,214.51 × 3,788,247.26
  4. Step 4: Simplify right side
    12,888,624.93x = 73,227,632,037,127.42
  5. Step 5: Solve for x
    x = 73,227,632,037,127.42/12,888,624.93
  6. Step 6: Final answer
    x = 5,681,570.57

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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.