Home / 42,504,669.80-63,750,161.82-12,205,641.32

Finding the Fourth Proportional to 42,504,669.80, 63,750,161.82 and 12,205,641.32

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Solution

The fourth proportional to 42,504,669.80, 63,750,161.82 and 12,205,641.32 is: 18,306,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,504,669.80 : 63,750,161.82 = 12,205,641.32 : x
  2. Step 2: Convert to fraction form
    42,504,669.80/63,750,161.82 = 12,205,641.32/x
  3. Step 3: Cross multiply
    42,504,669.80x = 63,750,161.82 × 12,205,641.32
  4. Step 4: Simplify right side
    42,504,669.80x = 778,111,609,266,878.38
  5. Step 5: Solve for x
    x = 778,111,609,266,878.38/42,504,669.80
  6. Step 6: Final answer
    x = 18,306,496.98

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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.