Home / 13,284,010.20-19,926,015.30-12,087,283.80

Finding the Fourth Proportional to 13,284,010.20, 19,926,015.30 and 12,087,283.80

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Solution

The fourth proportional to 13,284,010.20, 19,926,015.30 and 12,087,283.80 is: 18,130,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,010.20 : 19,926,015.30 = 12,087,283.80 : x
  2. Step 2: Convert to fraction form
    13,284,010.20/19,926,015.30 = 12,087,283.80/x
  3. Step 3: Cross multiply
    13,284,010.20x = 19,926,015.30 × 12,087,283.80
  4. Step 4: Simplify right side
    13,284,010.20x = 240,851,401,934,242.16
  5. Step 5: Solve for x
    x = 240,851,401,934,242.16/13,284,010.20
  6. Step 6: Final answer
    x = 18,130,925.70

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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.