Home / 30,421,222.39-45,601,128.10-19,069,642.63

Finding the Fourth Proportional to 30,421,222.39, 45,601,128.10 and 19,069,642.63

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Solution

The fourth proportional to 30,421,222.39, 45,601,128.10 and 19,069,642.63 is: 28,585,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421,222.39 : 45,601,128.10 = 19,069,642.63 : x
  2. Step 2: Convert to fraction form
    30,421,222.39/45,601,128.10 = 19,069,642.63/x
  3. Step 3: Cross multiply
    30,421,222.39x = 45,601,128.10 × 19,069,642.63
  4. Step 4: Simplify right side
    30,421,222.39x = 869,597,216,391,850.88
  5. Step 5: Solve for x
    x = 869,597,216,391,850.88/30,421,222.39
  6. Step 6: Final answer
    x = 28,585,216.11

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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.