Home / 8,817,167.20-13,209,421.20-5,019,368.80

Finding the Fourth Proportional to 8,817,167.20, 13,209,421.20 and 5,019,368.80

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Solution

The fourth proportional to 8,817,167.20, 13,209,421.20 and 5,019,368.80 is: 7,519,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817,167.20 : 13,209,421.20 = 5,019,368.80 : x
  2. Step 2: Convert to fraction form
    8,817,167.20/13,209,421.20 = 5,019,368.80/x
  3. Step 3: Cross multiply
    8,817,167.20x = 13,209,421.20 × 5,019,368.80
  4. Step 4: Simplify right side
    8,817,167.20x = 66,302,956,637,338.55
  5. Step 5: Solve for x
    x = 66,302,956,637,338.55/8,817,167.20
  6. Step 6: Final answer
    x = 7,519,757.21

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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.