Home / 14,520,814.80-20,023,871.40-9,624,336.72

Finding the Fourth Proportional to 14,520,814.80, 20,023,871.40 and 9,624,336.72

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Solution

The fourth proportional to 14,520,814.80, 20,023,871.40 and 9,624,336.72 is: 13,271,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,814.80 : 20,023,871.40 = 9,624,336.72 : x
  2. Step 2: Convert to fraction form
    14,520,814.80/20,023,871.40 = 9,624,336.72/x
  3. Step 3: Cross multiply
    14,520,814.80x = 20,023,871.40 × 9,624,336.72
  4. Step 4: Simplify right side
    14,520,814.80x = 192,716,480,791,577.81
  5. Step 5: Solve for x
    x = 192,716,480,791,577.81/14,520,814.80
  6. Step 6: Final answer
    x = 13,271,740.15

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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.