Home / 19,788,470.46-29,716,407.35-12,883,703.22

Finding the Fourth Proportional to 19,788,470.46, 29,716,407.35 and 12,883,703.22

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Solution

The fourth proportional to 19,788,470.46, 29,716,407.35 and 12,883,703.22 is: 19,347,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,470.46 : 29,716,407.35 = 12,883,703.22 : x
  2. Step 2: Convert to fraction form
    19,788,470.46/29,716,407.35 = 12,883,703.22/x
  3. Step 3: Cross multiply
    19,788,470.46x = 29,716,407.35 × 12,883,703.22
  4. Step 4: Simplify right side
    19,788,470.46x = 382,857,372,997,608.12
  5. Step 5: Solve for x
    x = 382,857,372,997,608.12/19,788,470.46
  6. Step 6: Final answer
    x = 19,347,497.01

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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.