Home / 14,820,391.71-20,451,701.16-8,205,274.89

Finding the Fourth Proportional to 14,820,391.71, 20,451,701.16 and 8,205,274.89

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Solution

The fourth proportional to 14,820,391.71, 20,451,701.16 and 8,205,274.89 is: 11,323,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820,391.71 : 20,451,701.16 = 8,205,274.89 : x
  2. Step 2: Convert to fraction form
    14,820,391.71/20,451,701.16 = 8,205,274.89/x
  3. Step 3: Cross multiply
    14,820,391.71x = 20,451,701.16 × 8,205,274.89
  4. Step 4: Simplify right side
    14,820,391.71x = 167,811,829,985,931.88
  5. Step 5: Solve for x
    x = 167,811,829,985,931.88/14,820,391.71
  6. Step 6: Final answer
    x = 11,323,036.08

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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.