Home / 28,615,904.67-42,938,054.28-11,343,740.48

Finding the Fourth Proportional to 28,615,904.67, 42,938,054.28 and 11,343,740.48

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Solution

The fourth proportional to 28,615,904.67, 42,938,054.28 and 11,343,740.48 is: 17,021,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,904.67 : 42,938,054.28 = 11,343,740.48 : x
  2. Step 2: Convert to fraction form
    28,615,904.67/42,938,054.28 = 11,343,740.48/x
  3. Step 3: Cross multiply
    28,615,904.67x = 42,938,054.28 × 11,343,740.48
  4. Step 4: Simplify right side
    28,615,904.67x = 487,078,144,253,783
  5. Step 5: Solve for x
    x = 487,078,144,253,783/28,615,904.67
  6. Step 6: Final answer
    x = 17,021,238.71

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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.