Home / 30,709,427.76-46,064,271.78-7,988,684.76

Finding the Fourth Proportional to 30,709,427.76, 46,064,271.78 and 7,988,684.76

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Solution

The fourth proportional to 30,709,427.76, 46,064,271.78 and 7,988,684.76 is: 11,983,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,709,427.76 : 46,064,271.78 = 7,988,684.76 : x
  2. Step 2: Convert to fraction form
    30,709,427.76/46,064,271.78 = 7,988,684.76/x
  3. Step 3: Cross multiply
    30,709,427.76x = 46,064,271.78 × 7,988,684.76
  4. Step 4: Simplify right side
    30,709,427.76x = 367,992,945,949,384.06
  5. Step 5: Solve for x
    x = 367,992,945,949,384.06/30,709,427.76
  6. Step 6: Final answer
    x = 11,983,060.99

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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.