Home / 13,000,475.48-17,940,639.98-7,199,250.22

Finding the Fourth Proportional to 13,000,475.48, 17,940,639.98 and 7,199,250.22

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Solution

The fourth proportional to 13,000,475.48, 17,940,639.98 and 7,199,250.22 is: 9,934,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,475.48 : 17,940,639.98 = 7,199,250.22 : x
  2. Step 2: Convert to fraction form
    13,000,475.48/17,940,639.98 = 7,199,250.22/x
  3. Step 3: Cross multiply
    13,000,475.48x = 17,940,639.98 × 7,199,250.22
  4. Step 4: Simplify right side
    13,000,475.48x = 129,159,156,242,107.95
  5. Step 5: Solve for x
    x = 129,159,156,242,107.95/13,000,475.48
  6. Step 6: Final answer
    x = 9,934,956.33

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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.