Home / 22,470,140.40-31,008,663.85-12,156,642.06

Finding the Fourth Proportional to 22,470,140.40, 31,008,663.85 and 12,156,642.06

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Solution

The fourth proportional to 22,470,140.40, 31,008,663.85 and 12,156,642.06 is: 16,776,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,140.40 : 31,008,663.85 = 12,156,642.06 : x
  2. Step 2: Convert to fraction form
    22,470,140.40/31,008,663.85 = 12,156,642.06/x
  3. Step 3: Cross multiply
    22,470,140.40x = 31,008,663.85 × 12,156,642.06
  4. Step 4: Simplify right side
    22,470,140.40x = 376,961,227,183,311.56
  5. Step 5: Solve for x
    x = 376,961,227,183,311.56/22,470,140.40
  6. Step 6: Final answer
    x = 16,776,095.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.