Home / 30,323,708.70-45,501,309.45-13,286,103.90

Finding the Fourth Proportional to 30,323,708.70, 45,501,309.45 and 13,286,103.90

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Solution

The fourth proportional to 30,323,708.70, 45,501,309.45 and 13,286,103.90 is: 19,936,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323,708.70 : 45,501,309.45 = 13,286,103.90 : x
  2. Step 2: Convert to fraction form
    30,323,708.70/45,501,309.45 = 13,286,103.90/x
  3. Step 3: Cross multiply
    30,323,708.70x = 45,501,309.45 × 13,286,103.90
  4. Step 4: Simplify right side
    30,323,708.70x = 604,535,124,938,751.88
  5. Step 5: Solve for x
    x = 604,535,124,938,751.88/30,323,708.70
  6. Step 6: Final answer
    x = 19,936,055.02

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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.