Home / 28,615,903.17-42,938,052.03-11,343,738.97

Finding the Fourth Proportional to 28,615,903.17, 42,938,052.03 and 11,343,738.97

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Solution

The fourth proportional to 28,615,903.17, 42,938,052.03 and 11,343,738.97 is: 17,021,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,903.17 : 42,938,052.03 = 11,343,738.97 : x
  2. Step 2: Convert to fraction form
    28,615,903.17/42,938,052.03 = 11,343,738.97/x
  3. Step 3: Cross multiply
    28,615,903.17x = 42,938,052.03 × 11,343,738.97
  4. Step 4: Simplify right side
    28,615,903.17x = 487,078,054,162,271.19
  5. Step 5: Solve for x
    x = 487,078,054,162,271.19/28,615,903.17
  6. Step 6: Final answer
    x = 17,021,236.45

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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.