Home / 10,853,897.40-16,290,177.30-4,797,948.60

Finding the Fourth Proportional to 10,853,897.40, 16,290,177.30 and 4,797,948.60

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Solution

The fourth proportional to 10,853,897.40, 16,290,177.30 and 4,797,948.60 is: 7,201,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,897.40 : 16,290,177.30 = 4,797,948.60 : x
  2. Step 2: Convert to fraction form
    10,853,897.40/16,290,177.30 = 4,797,948.60/x
  3. Step 3: Cross multiply
    10,853,897.40x = 16,290,177.30 × 4,797,948.60
  4. Step 4: Simplify right side
    10,853,897.40x = 78,159,433,370,286.78
  5. Step 5: Solve for x
    x = 78,159,433,370,286.78/10,853,897.40
  6. Step 6: Final answer
    x = 7,201,047.74

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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.