Home / 10,411,930.80-15,617,896.20-10,199,354.40

Finding the Fourth Proportional to 10,411,930.80, 15,617,896.20 and 10,199,354.40

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Solution

The fourth proportional to 10,411,930.80, 15,617,896.20 and 10,199,354.40 is: 15,299,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411,930.80 : 15,617,896.20 = 10,199,354.40 : x
  2. Step 2: Convert to fraction form
    10,411,930.80/15,617,896.20 = 10,199,354.40/x
  3. Step 3: Cross multiply
    10,411,930.80x = 15,617,896.20 × 10,199,354.40
  4. Step 4: Simplify right side
    10,411,930.80x = 159,292,458,326,213.28
  5. Step 5: Solve for x
    x = 159,292,458,326,213.28/10,411,930.80
  6. Step 6: Final answer
    x = 15,299,031.60

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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.