Home / 26,076,971.12-39,123,466.08-12,447,509.36

Finding the Fourth Proportional to 26,076,971.12, 39,123,466.08 and 12,447,509.36

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Solution

The fourth proportional to 26,076,971.12, 39,123,466.08 and 12,447,509.36 is: 18,675,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,076,971.12 : 39,123,466.08 = 12,447,509.36 : x
  2. Step 2: Convert to fraction form
    26,076,971.12/39,123,466.08 = 12,447,509.36/x
  3. Step 3: Cross multiply
    26,076,971.12x = 39,123,466.08 × 12,447,509.36
  4. Step 4: Simplify right side
    26,076,971.12x = 486,989,710,226,442.44
  5. Step 5: Solve for x
    x = 486,989,710,226,442.44/26,076,971.12
  6. Step 6: Final answer
    x = 18,675,087.22

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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.