Home / 28,947,278.66-39,947,244.71-15,894,537.62

Finding the Fourth Proportional to 28,947,278.66, 39,947,244.71 and 15,894,537.62

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Solution

The fourth proportional to 28,947,278.66, 39,947,244.71 and 15,894,537.62 is: 21,934,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947,278.66 : 39,947,244.71 = 15,894,537.62 : x
  2. Step 2: Convert to fraction form
    28,947,278.66/39,947,244.71 = 15,894,537.62/x
  3. Step 3: Cross multiply
    28,947,278.66x = 39,947,244.71 × 15,894,537.62
  4. Step 4: Simplify right side
    28,947,278.66x = 634,942,983,579,232
  5. Step 5: Solve for x
    x = 634,942,983,579,232/28,947,278.66
  6. Step 6: Final answer
    x = 21,934,462.00

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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.