Home / 12,257,457.90-16,914,040.14-7,547,105.40

Finding the Fourth Proportional to 12,257,457.90, 16,914,040.14 and 7,547,105.40

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Solution

The fourth proportional to 12,257,457.90, 16,914,040.14 and 7,547,105.40 is: 10,414,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257,457.90 : 16,914,040.14 = 7,547,105.40 : x
  2. Step 2: Convert to fraction form
    12,257,457.90/16,914,040.14 = 7,547,105.40/x
  3. Step 3: Cross multiply
    12,257,457.90x = 16,914,040.14 × 7,547,105.40
  4. Step 4: Simplify right side
    12,257,457.90x = 127,652,043,648,109.12
  5. Step 5: Solve for x
    x = 127,652,043,648,109.12/12,257,457.90
  6. Step 6: Final answer
    x = 10,414,234.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.