Home / 28,947,312.28-39,947,291.13-15,894,571.26

Finding the Fourth Proportional to 28,947,312.28, 39,947,291.13 and 15,894,571.26

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Solution

The fourth proportional to 28,947,312.28, 39,947,291.13 and 15,894,571.26 is: 21,934,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947,312.28 : 39,947,291.13 = 15,894,571.26 : x
  2. Step 2: Convert to fraction form
    28,947,312.28/39,947,291.13 = 15,894,571.26/x
  3. Step 3: Cross multiply
    28,947,312.28x = 39,947,291.13 × 15,894,571.26
  4. Step 4: Simplify right side
    28,947,312.28x = 634,945,065,509,751
  5. Step 5: Solve for x
    x = 634,945,065,509,751/28,947,312.28
  6. Step 6: Final answer
    x = 21,934,508.44

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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.