Home / 15,509,969.40-23,275,451.70-6,985,918.20

Finding the Fourth Proportional to 15,509,969.40, 23,275,451.70 and 6,985,918.20

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Solution

The fourth proportional to 15,509,969.40, 23,275,451.70 and 6,985,918.20 is: 10,483,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509,969.40 : 23,275,451.70 = 6,985,918.20 : x
  2. Step 2: Convert to fraction form
    15,509,969.40/23,275,451.70 = 6,985,918.20/x
  3. Step 3: Cross multiply
    15,509,969.40x = 23,275,451.70 × 6,985,918.20
  4. Step 4: Simplify right side
    15,509,969.40x = 162,600,401,644,250.94
  5. Step 5: Solve for x
    x = 162,600,401,644,250.94/15,509,969.40
  6. Step 6: Final answer
    x = 10,483,605.57

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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.