Home / 42,026,690.93-63,010,266.54-18,670,605.98

Finding the Fourth Proportional to 42,026,690.93, 63,010,266.54 and 18,670,605.98

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Solution

The fourth proportional to 42,026,690.93, 63,010,266.54 and 18,670,605.98 is: 27,992,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,026,690.93 : 63,010,266.54 = 18,670,605.98 : x
  2. Step 2: Convert to fraction form
    42,026,690.93/63,010,266.54 = 18,670,605.98/x
  3. Step 3: Cross multiply
    42,026,690.93x = 63,010,266.54 × 18,670,605.98
  4. Step 4: Simplify right side
    42,026,690.93x = 1,176,439,859,263,118
  5. Step 5: Solve for x
    x = 1,176,439,859,263,118/42,026,690.93
  6. Step 6: Final answer
    x = 27,992,683.54

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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.