Home / 13,341,955.41-18,411,914.21-7,230,383.91

Finding the Fourth Proportional to 13,341,955.41, 18,411,914.21 and 7,230,383.91

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Solution

The fourth proportional to 13,341,955.41, 18,411,914.21 and 7,230,383.91 is: 9,977,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,955.41 : 18,411,914.21 = 7,230,383.91 : x
  2. Step 2: Convert to fraction form
    13,341,955.41/18,411,914.21 = 7,230,383.91/x
  3. Step 3: Cross multiply
    13,341,955.41x = 18,411,914.21 × 7,230,383.91
  4. Step 4: Simplify right side
    13,341,955.41x = 133,125,208,256,284.38
  5. Step 5: Solve for x
    x = 133,125,208,256,284.38/13,341,955.41
  6. Step 6: Final answer
    x = 9,977,938.33

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1.5x scale

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.