Home / 19,284,281.60-28,926,344.49-6,985,366.32

Finding the Fourth Proportional to 19,284,281.60, 28,926,344.49 and 6,985,366.32

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Solution

The fourth proportional to 19,284,281.60, 28,926,344.49 and 6,985,366.32 is: 10,478,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284,281.60 : 28,926,344.49 = 6,985,366.32 : x
  2. Step 2: Convert to fraction form
    19,284,281.60/28,926,344.49 = 6,985,366.32/x
  3. Step 3: Cross multiply
    19,284,281.60x = 28,926,344.49 × 6,985,366.32
  4. Step 4: Simplify right side
    19,284,281.60x = 202,061,112,561,163.56
  5. Step 5: Solve for x
    x = 202,061,112,561,163.56/19,284,281.60
  6. Step 6: Final answer
    x = 10,478,021.26

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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.