Home / 28,004,265-42,006,397.50-6,729,129

Finding the Fourth Proportional to 28,004,265, 42,006,397.50 and 6,729,129

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Solution

The fourth proportional to 28,004,265, 42,006,397.50 and 6,729,129 is: 10,093,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004,265 : 42,006,397.50 = 6,729,129 : x
  2. Step 2: Convert to fraction form
    28,004,265/42,006,397.50 = 6,729,129/x
  3. Step 3: Cross multiply
    28,004,265x = 42,006,397.50 × 6,729,129
  4. Step 4: Simplify right side
    28,004,265x = 282,666,467,602,777.50
  5. Step 5: Solve for x
    x = 282,666,467,602,777.50/28,004,265
  6. Step 6: Final answer
    x = 10,093,693.50

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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.