Home / 42,303,360.30-63,455,040.45-12,007,286.70

Finding the Fourth Proportional to 42,303,360.30, 63,455,040.45 and 12,007,286.70

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Solution

The fourth proportional to 42,303,360.30, 63,455,040.45 and 12,007,286.70 is: 18,010,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,360.30 : 63,455,040.45 = 12,007,286.70 : x
  2. Step 2: Convert to fraction form
    42,303,360.30/63,455,040.45 = 12,007,286.70/x
  3. Step 3: Cross multiply
    42,303,360.30x = 63,455,040.45 × 12,007,286.70
  4. Step 4: Simplify right side
    42,303,360.30x = 761,922,863,243,247
  5. Step 5: Solve for x
    x = 761,922,863,243,247/42,303,360.30
  6. Step 6: Final answer
    x = 18,010,930.05

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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.