Home / 13,565,699.70-20,348,549.55-11,739,117.30

Finding the Fourth Proportional to 13,565,699.70, 20,348,549.55 and 11,739,117.30

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Solution

The fourth proportional to 13,565,699.70, 20,348,549.55 and 11,739,117.30 is: 17,608,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,699.70 : 20,348,549.55 = 11,739,117.30 : x
  2. Step 2: Convert to fraction form
    13,565,699.70/20,348,549.55 = 11,739,117.30/x
  3. Step 3: Cross multiply
    13,565,699.70x = 20,348,549.55 × 11,739,117.30
  4. Step 4: Simplify right side
    13,565,699.70x = 238,874,010,052,312.25
  5. Step 5: Solve for x
    x = 238,874,010,052,312.25/13,565,699.70
  6. Step 6: Final answer
    x = 17,608,675.95

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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.