Home / 27,779,091.08-38,337,500.75-15,393,069.89

Finding the Fourth Proportional to 27,779,091.08, 38,337,500.75 and 15,393,069.89

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Solution

The fourth proportional to 27,779,091.08, 38,337,500.75 and 15,393,069.89 is: 21,243,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779,091.08 : 38,337,500.75 = 15,393,069.89 : x
  2. Step 2: Convert to fraction form
    27,779,091.08/38,337,500.75 = 15,393,069.89/x
  3. Step 3: Cross multiply
    27,779,091.08x = 38,337,500.75 × 15,393,069.89
  4. Step 4: Simplify right side
    27,779,091.08x = 590,131,828,184,024.50
  5. Step 5: Solve for x
    x = 590,131,828,184,024.50/27,779,091.08
  6. Step 6: Final answer
    x = 21,243,741.44

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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.