Home / 5,213,406.80-7,820,110.20-5,000,830.40

Finding the Fourth Proportional to 5,213,406.80, 7,820,110.20 and 5,000,830.40

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Solution

The fourth proportional to 5,213,406.80, 7,820,110.20 and 5,000,830.40 is: 7,501,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,406.80 : 7,820,110.20 = 5,000,830.40 : x
  2. Step 2: Convert to fraction form
    5,213,406.80/7,820,110.20 = 5,000,830.40/x
  3. Step 3: Cross multiply
    5,213,406.80x = 7,820,110.20 × 5,000,830.40
  4. Step 4: Simplify right side
    5,213,406.80x = 39,107,044,819,510.09
  5. Step 5: Solve for x
    x = 39,107,044,819,510.09/5,213,406.80
  6. Step 6: Final answer
    x = 7,501,245.60

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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.