Home / 13,338,157.01-18,406,416.51-7,536,813.89

Finding the Fourth Proportional to 13,338,157.01, 18,406,416.51 and 7,536,813.89

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Solution

The fourth proportional to 13,338,157.01, 18,406,416.51 and 7,536,813.89 is: 10,400,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,157.01 : 18,406,416.51 = 7,536,813.89 : x
  2. Step 2: Convert to fraction form
    13,338,157.01/18,406,416.51 = 7,536,813.89/x
  3. Step 3: Cross multiply
    13,338,157.01x = 18,406,416.51 × 7,536,813.89
  4. Step 4: Simplify right side
    13,338,157.01x = 138,725,735,525,661.25
  5. Step 5: Solve for x
    x = 138,725,735,525,661.25/13,338,157.01
  6. Step 6: Final answer
    x = 10,400,667.46

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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.