Home / 28,380,267.36-39,164,763.60-15,327,526.08

Finding the Fourth Proportional to 28,380,267.36, 39,164,763.60 and 15,327,526.08

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Solution

The fourth proportional to 28,380,267.36, 39,164,763.60 and 15,327,526.08 is: 21,151,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,267.36 : 39,164,763.60 = 15,327,526.08 : x
  2. Step 2: Convert to fraction form
    28,380,267.36/39,164,763.60 = 15,327,526.08/x
  3. Step 3: Cross multiply
    28,380,267.36x = 39,164,763.60 × 15,327,526.08
  4. Step 4: Simplify right side
    28,380,267.36x = 600,298,935,496,034.75
  5. Step 5: Solve for x
    x = 600,298,935,496,034.75/28,380,267.36
  6. Step 6: Final answer
    x = 21,151,983.10

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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.