Home / 15,301,468.58-21,116,024.61-8,425,933.70

Finding the Fourth Proportional to 15,301,468.58, 21,116,024.61 and 8,425,933.70

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Solution

The fourth proportional to 15,301,468.58, 21,116,024.61 and 8,425,933.70 is: 11,627,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,468.58 : 21,116,024.61 = 8,425,933.70 : x
  2. Step 2: Convert to fraction form
    15,301,468.58/21,116,024.61 = 8,425,933.70/x
  3. Step 3: Cross multiply
    15,301,468.58x = 21,116,024.61 × 8,425,933.70
  4. Step 4: Simplify right side
    15,301,468.58x = 177,922,223,371,428.34
  5. Step 5: Solve for x
    x = 177,922,223,371,428.34/15,301,468.58
  6. Step 6: Final answer
    x = 11,627,787.39

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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.