Home / 19,416,002.80-29,124,004.20-13,369,385.20

Finding the Fourth Proportional to 19,416,002.80, 29,124,004.20 and 13,369,385.20

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Solution

The fourth proportional to 19,416,002.80, 29,124,004.20 and 13,369,385.20 is: 20,054,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416,002.80 : 29,124,004.20 = 13,369,385.20 : x
  2. Step 2: Convert to fraction form
    19,416,002.80/29,124,004.20 = 13,369,385.20/x
  3. Step 3: Cross multiply
    19,416,002.80x = 29,124,004.20 × 13,369,385.20
  4. Step 4: Simplify right side
    19,416,002.80x = 389,370,030,716,217.81
  5. Step 5: Solve for x
    x = 389,370,030,716,217.81/19,416,002.80
  6. Step 6: Final answer
    x = 20,054,077.80

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1.5x scale

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.