Home / 12,639,431.26-17,460,271.56-10,057,808.98

Finding the Fourth Proportional to 12,639,431.26, 17,460,271.56 and 10,057,808.98

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Solution

The fourth proportional to 12,639,431.26, 17,460,271.56 and 10,057,808.98 is: 13,893,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,431.26 : 17,460,271.56 = 10,057,808.98 : x
  2. Step 2: Convert to fraction form
    12,639,431.26/17,460,271.56 = 10,057,808.98/x
  3. Step 3: Cross multiply
    12,639,431.26x = 17,460,271.56 × 10,057,808.98
  4. Step 4: Simplify right side
    12,639,431.26x = 175,612,076,092,373.56
  5. Step 5: Solve for x
    x = 175,612,076,092,373.56/12,639,431.26
  6. Step 6: Final answer
    x = 13,893,985.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.