Home / 28,210,006.90-42,315,010.35-26,509,395.70

Finding the Fourth Proportional to 28,210,006.90, 42,315,010.35 and 26,509,395.70

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Solution

The fourth proportional to 28,210,006.90, 42,315,010.35 and 26,509,395.70 is: 39,764,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,006.90 : 42,315,010.35 = 26,509,395.70 : x
  2. Step 2: Convert to fraction form
    28,210,006.90/42,315,010.35 = 26,509,395.70/x
  3. Step 3: Cross multiply
    28,210,006.90x = 42,315,010.35 × 26,509,395.70
  4. Step 4: Simplify right side
    28,210,006.90x = 1,121,745,353,417,745.50
  5. Step 5: Solve for x
    x = 1,121,745,353,417,745.50/28,210,006.90
  6. Step 6: Final answer
    x = 39,764,093.55

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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.