Home / 28,532,101.49-42,805,123.35-9,101,330.86

Finding the Fourth Proportional to 28,532,101.49, 42,805,123.35 and 9,101,330.86

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Solution

The fourth proportional to 28,532,101.49, 42,805,123.35 and 9,101,330.86 is: 13,654,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532,101.49 : 42,805,123.35 = 9,101,330.86 : x
  2. Step 2: Convert to fraction form
    28,532,101.49/42,805,123.35 = 9,101,330.86/x
  3. Step 3: Cross multiply
    28,532,101.49x = 42,805,123.35 × 9,101,330.86
  4. Step 4: Simplify right side
    28,532,101.49x = 389,583,590,004,448.81
  5. Step 5: Solve for x
    x = 389,583,590,004,448.81/28,532,101.49
  6. Step 6: Final answer
    x = 13,654,219.97

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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.