Home / 42,122,633-63,183,949.56-10,209,929

Finding the Fourth Proportional to 42,122,633, 63,183,949.56 and 10,209,929

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Solution

The fourth proportional to 42,122,633, 63,183,949.56 and 10,209,929 is: 15,314,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122,633 : 63,183,949.56 = 10,209,929 : x
  2. Step 2: Convert to fraction form
    42,122,633/63,183,949.56 = 10,209,929/x
  3. Step 3: Cross multiply
    42,122,633x = 63,183,949.56 × 10,209,929
  4. Step 4: Simplify right side
    42,122,633x = 645,103,638,947,181.25
  5. Step 5: Solve for x
    x = 645,103,638,947,181.25/42,122,633
  6. Step 6: Final answer
    x = 15,314,893.51

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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.