Home / 22,939,364.89-31,640,206.61-15,096,378.29

Finding the Fourth Proportional to 22,939,364.89, 31,640,206.61 and 15,096,378.29

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Solution

The fourth proportional to 22,939,364.89, 31,640,206.61 and 15,096,378.29 is: 20,822,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939,364.89 : 31,640,206.61 = 15,096,378.29 : x
  2. Step 2: Convert to fraction form
    22,939,364.89/31,640,206.61 = 15,096,378.29/x
  3. Step 3: Cross multiply
    22,939,364.89x = 31,640,206.61 × 15,096,378.29
  4. Step 4: Simplify right side
    22,939,364.89x = 477,652,528,173,368.50
  5. Step 5: Solve for x
    x = 477,652,528,173,368.50/22,939,364.89
  6. Step 6: Final answer
    x = 20,822,395.50

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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.