Home / 10,134,208.60-15,201,411.32-8,107,417.42

Finding the Fourth Proportional to 10,134,208.60, 15,201,411.32 and 8,107,417.42

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Solution

The fourth proportional to 10,134,208.60, 15,201,411.32 and 8,107,417.42 is: 12,161,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,208.60 : 15,201,411.32 = 8,107,417.42 : x
  2. Step 2: Convert to fraction form
    10,134,208.60/15,201,411.32 = 8,107,417.42/x
  3. Step 3: Cross multiply
    10,134,208.60x = 15,201,411.32 × 8,107,417.42
  4. Step 4: Simplify right side
    10,134,208.60x = 123,244,186,903,816.11
  5. Step 5: Solve for x
    x = 123,244,186,903,816.11/10,134,208.60
  6. Step 6: Final answer
    x = 12,161,204.86

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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.