Home / 15,644,854.56-21,590,897.04-8,769,338.40

Finding the Fourth Proportional to 15,644,854.56, 21,590,897.04 and 8,769,338.40

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Solution

The fourth proportional to 15,644,854.56, 21,590,897.04 and 8,769,338.40 is: 12,102,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644,854.56 : 21,590,897.04 = 8,769,338.40 : x
  2. Step 2: Convert to fraction form
    15,644,854.56/21,590,897.04 = 8,769,338.40/x
  3. Step 3: Cross multiply
    15,644,854.56x = 21,590,897.04 × 8,769,338.40
  4. Step 4: Simplify right side
    15,644,854.56x = 189,337,882,503,318.34
  5. Step 5: Solve for x
    x = 189,337,882,503,318.34/15,644,854.56
  6. Step 6: Final answer
    x = 12,102,246.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.