Home / 28,615,905.61-42,938,055.69-11,343,741.41

Finding the Fourth Proportional to 28,615,905.61, 42,938,055.69 and 11,343,741.41

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Solution

The fourth proportional to 28,615,905.61, 42,938,055.69 and 11,343,741.41 is: 17,021,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,905.61 : 42,938,055.69 = 11,343,741.41 : x
  2. Step 2: Convert to fraction form
    28,615,905.61/42,938,055.69 = 11,343,741.41/x
  3. Step 3: Cross multiply
    28,615,905.61x = 42,938,055.69 × 11,343,741.41
  4. Step 4: Simplify right side
    28,615,905.61x = 487,078,200,502,884.25
  5. Step 5: Solve for x
    x = 487,078,200,502,884.25/28,615,905.61
  6. Step 6: Final answer
    x = 17,021,240.12

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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.