Home / 15,128,855.33-22,575,284.79-13,498,417.67

Finding the Fourth Proportional to 15,128,855.33, 22,575,284.79 and 13,498,417.67

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Solution

The fourth proportional to 15,128,855.33, 22,575,284.79 and 13,498,417.67 is: 20,142,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,855.33 : 22,575,284.79 = 13,498,417.67 : x
  2. Step 2: Convert to fraction form
    15,128,855.33/22,575,284.79 = 13,498,417.67/x
  3. Step 3: Cross multiply
    15,128,855.33x = 22,575,284.79 × 13,498,417.67
  4. Step 4: Simplify right side
    15,128,855.33x = 304,730,623,001,741.81
  5. Step 5: Solve for x
    x = 304,730,623,001,741.81/15,128,855.33
  6. Step 6: Final answer
    x = 20,142,344.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.