Home / 25,243,670.80-37,890,389.40-12,478,589.20

Finding the Fourth Proportional to 25,243,670.80, 37,890,389.40 and 12,478,589.20

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Solution

The fourth proportional to 25,243,670.80, 37,890,389.40 and 12,478,589.20 is: 18,730,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243,670.80 : 37,890,389.40 = 12,478,589.20 : x
  2. Step 2: Convert to fraction form
    25,243,670.80/37,890,389.40 = 12,478,589.20/x
  3. Step 3: Cross multiply
    25,243,670.80x = 37,890,389.40 × 12,478,589.20
  4. Step 4: Simplify right side
    25,243,670.80x = 472,818,603,950,634.44
  5. Step 5: Solve for x
    x = 472,818,603,950,634.44/25,243,670.80
  6. Step 6: Final answer
    x = 18,730,184.20

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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.