Home / 13,070,988.49-18,037,862.44-7,190,495.41

Finding the Fourth Proportional to 13,070,988.49, 18,037,862.44 and 7,190,495.41

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Solution

The fourth proportional to 13,070,988.49, 18,037,862.44 and 7,190,495.41 is: 9,922,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,988.49 : 18,037,862.44 = 7,190,495.41 : x
  2. Step 2: Convert to fraction form
    13,070,988.49/18,037,862.44 = 7,190,495.41/x
  3. Step 3: Cross multiply
    13,070,988.49x = 18,037,862.44 × 7,190,495.41
  4. Step 4: Simplify right side
    13,070,988.49x = 129,701,167,081,031.41
  5. Step 5: Solve for x
    x = 129,701,167,081,031.41/13,070,988.49
  6. Step 6: Final answer
    x = 9,922,827.73

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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.