Home / 38,470,870.76-57,709,853.58-12,563,307.86

Finding the Fourth Proportional to 38,470,870.76, 57,709,853.58 and 12,563,307.86

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Solution

The fourth proportional to 38,470,870.76, 57,709,853.58 and 12,563,307.86 is: 18,846,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470,870.76 : 57,709,853.58 = 12,563,307.86 : x
  2. Step 2: Convert to fraction form
    38,470,870.76/57,709,853.58 = 12,563,307.86/x
  3. Step 3: Cross multiply
    38,470,870.76x = 57,709,853.58 × 12,563,307.86
  4. Step 4: Simplify right side
    38,470,870.76x = 725,026,656,839,626.38
  5. Step 5: Solve for x
    x = 725,026,656,839,626.38/38,470,870.76
  6. Step 6: Final answer
    x = 18,846,120.26

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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.