Home / 42,623,379.54-63,938,392.74-15,333,220.80

Finding the Fourth Proportional to 42,623,379.54, 63,938,392.74 and 15,333,220.80

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Solution

The fourth proportional to 42,623,379.54, 63,938,392.74 and 15,333,220.80 is: 23,001,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623,379.54 : 63,938,392.74 = 15,333,220.80 : x
  2. Step 2: Convert to fraction form
    42,623,379.54/63,938,392.74 = 15,333,220.80/x
  3. Step 3: Cross multiply
    42,623,379.54x = 63,938,392.74 × 15,333,220.80
  4. Step 4: Simplify right side
    42,623,379.54x = 980,381,493,479,537.12
  5. Step 5: Solve for x
    x = 980,381,493,479,537.12/42,623,379.54
  6. Step 6: Final answer
    x = 23,001,026.76

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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.