Home / 12,256,419.71-16,913,211.51-7,029,157.73

Finding the Fourth Proportional to 12,256,419.71, 16,913,211.51 and 7,029,157.73

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Solution

The fourth proportional to 12,256,419.71, 16,913,211.51 and 7,029,157.73 is: 9,699,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,419.71 : 16,913,211.51 = 7,029,157.73 : x
  2. Step 2: Convert to fraction form
    12,256,419.71/16,913,211.51 = 7,029,157.73/x
  3. Step 3: Cross multiply
    12,256,419.71x = 16,913,211.51 × 7,029,157.73
  4. Step 4: Simplify right side
    12,256,419.71x = 118,885,631,340,075.42
  5. Step 5: Solve for x
    x = 118,885,631,340,075.42/12,256,419.71
  6. Step 6: Final answer
    x = 9,699,866.21

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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.