Home / 10,382,215.10-15,573,176.85-4,702,430.30

Finding the Fourth Proportional to 10,382,215.10, 15,573,176.85 and 4,702,430.30

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Solution

The fourth proportional to 10,382,215.10, 15,573,176.85 and 4,702,430.30 is: 7,053,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,215.10 : 15,573,176.85 = 4,702,430.30 : x
  2. Step 2: Convert to fraction form
    10,382,215.10/15,573,176.85 = 4,702,430.30/x
  3. Step 3: Cross multiply
    10,382,215.10x = 15,573,176.85 × 4,702,430.30
  4. Step 4: Simplify right side
    10,382,215.10x = 73,231,778,686,698.55
  5. Step 5: Solve for x
    x = 73,231,778,686,698.55/10,382,215.10
  6. Step 6: Final answer
    x = 7,053,579.41

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Double scale
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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.