Home / 13,338,030.12-18,396,325.08-11,480,606.70

Finding the Fourth Proportional to 13,338,030.12, 18,396,325.08 and 11,480,606.70

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Solution

The fourth proportional to 13,338,030.12, 18,396,325.08 and 11,480,606.70 is: 15,834,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,030.12 : 18,396,325.08 = 11,480,606.70 : x
  2. Step 2: Convert to fraction form
    13,338,030.12/18,396,325.08 = 11,480,606.70/x
  3. Step 3: Cross multiply
    13,338,030.12x = 18,396,325.08 × 11,480,606.70
  4. Step 4: Simplify right side
    13,338,030.12x = 211,200,972,968,826
  5. Step 5: Solve for x
    x = 211,200,972,968,826/13,338,030.12
  6. Step 6: Final answer
    x = 15,834,495.13

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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.