Home / 13,057,499.91-18,000,358.63-9,125,046.91

Finding the Fourth Proportional to 13,057,499.91, 18,000,358.63 and 9,125,046.91

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Solution

The fourth proportional to 13,057,499.91, 18,000,358.63 and 9,125,046.91 is: 12,579,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,499.91 : 18,000,358.63 = 9,125,046.91 : x
  2. Step 2: Convert to fraction form
    13,057,499.91/18,000,358.63 = 9,125,046.91/x
  3. Step 3: Cross multiply
    13,057,499.91x = 18,000,358.63 × 9,125,046.91
  4. Step 4: Simplify right side
    13,057,499.91x = 164,254,116,895,573.31
  5. Step 5: Solve for x
    x = 164,254,116,895,573.31/13,057,499.91
  6. Step 6: Final answer
    x = 12,579,292.98

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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.