Home / 20,523,406.29-28,353,063.62-13,475,720.16

Finding the Fourth Proportional to 20,523,406.29, 28,353,063.62 and 13,475,720.16

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Solution

The fourth proportional to 20,523,406.29, 28,353,063.62 and 13,475,720.16 is: 18,616,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523,406.29 : 28,353,063.62 = 13,475,720.16 : x
  2. Step 2: Convert to fraction form
    20,523,406.29/28,353,063.62 = 13,475,720.16/x
  3. Step 3: Cross multiply
    20,523,406.29x = 28,353,063.62 × 13,475,720.16
  4. Step 4: Simplify right side
    20,523,406.29x = 382,077,950,950,292.81
  5. Step 5: Solve for x
    x = 382,077,950,950,292.81/20,523,406.29
  6. Step 6: Final answer
    x = 18,616,692.84

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1.5x scale

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.