Home / 42,631,005.75-63,922,030.74-16,692,938.07

Finding the Fourth Proportional to 42,631,005.75, 63,922,030.74 and 16,692,938.07

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Solution

The fourth proportional to 42,631,005.75, 63,922,030.74 and 16,692,938.07 is: 25,029,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631,005.75 : 63,922,030.74 = 16,692,938.07 : x
  2. Step 2: Convert to fraction form
    42,631,005.75/63,922,030.74 = 16,692,938.07/x
  3. Step 3: Cross multiply
    42,631,005.75x = 63,922,030.74 × 16,692,938.07
  4. Step 4: Simplify right side
    42,631,005.75x = 1,067,046,500,451,456.38
  5. Step 5: Solve for x
    x = 1,067,046,500,451,456.38/42,631,005.75
  6. Step 6: Final answer
    x = 25,029,822.35

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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.