Home / 30,881,221.25-46,322,164.47-9,316,009.77

Finding the Fourth Proportional to 30,881,221.25, 46,322,164.47 and 9,316,009.77

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Solution

The fourth proportional to 30,881,221.25, 46,322,164.47 and 9,316,009.77 is: 13,974,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,221.25 : 46,322,164.47 = 9,316,009.77 : x
  2. Step 2: Convert to fraction form
    30,881,221.25/46,322,164.47 = 9,316,009.77/x
  3. Step 3: Cross multiply
    30,881,221.25x = 46,322,164.47 × 9,316,009.77
  4. Step 4: Simplify right side
    30,881,221.25x = 431,537,736,631,293.81
  5. Step 5: Solve for x
    x = 431,537,736,631,293.81/30,881,221.25
  6. Step 6: Final answer
    x = 13,974,114.99

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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.