Home / 15,105,421.76-22,658,154.08-11,531,480.64

Finding the Fourth Proportional to 15,105,421.76, 22,658,154.08 and 11,531,480.64

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Solution

The fourth proportional to 15,105,421.76, 22,658,154.08 and 11,531,480.64 is: 17,297,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105,421.76 : 22,658,154.08 = 11,531,480.64 : x
  2. Step 2: Convert to fraction form
    15,105,421.76/22,658,154.08 = 11,531,480.64/x
  3. Step 3: Cross multiply
    15,105,421.76x = 22,658,154.08 × 11,531,480.64
  4. Step 4: Simplify right side
    15,105,421.76x = 261,282,065,111,657
  5. Step 5: Solve for x
    x = 261,282,065,111,657/15,105,421.76
  6. Step 6: Final answer
    x = 17,297,237.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.