Home / 30,323,716.20-45,501,320.70-13,286,111.40

Finding the Fourth Proportional to 30,323,716.20, 45,501,320.70 and 13,286,111.40

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Solution

The fourth proportional to 30,323,716.20, 45,501,320.70 and 13,286,111.40 is: 19,936,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323,716.20 : 45,501,320.70 = 13,286,111.40 : x
  2. Step 2: Convert to fraction form
    30,323,716.20/45,501,320.70 = 13,286,111.40/x
  3. Step 3: Cross multiply
    30,323,716.20x = 45,501,320.70 × 13,286,111.40
  4. Step 4: Simplify right side
    30,323,716.20x = 604,535,615,667,326
  5. Step 5: Solve for x
    x = 604,535,615,667,326/30,323,716.20
  6. Step 6: Final answer
    x = 19,936,066.27

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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.