Home / 13,000,500.64-17,940,674.88-7,199,275.36

Finding the Fourth Proportional to 13,000,500.64, 17,940,674.88 and 7,199,275.36

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Solution

The fourth proportional to 13,000,500.64, 17,940,674.88 and 7,199,275.36 is: 9,934,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,500.64 : 17,940,674.88 = 7,199,275.36 : x
  2. Step 2: Convert to fraction form
    13,000,500.64/17,940,674.88 = 7,199,275.36/x
  3. Step 3: Cross multiply
    13,000,500.64x = 17,940,674.88 × 7,199,275.36
  4. Step 4: Simplify right side
    13,000,500.64x = 129,159,858,605,354.95
  5. Step 5: Solve for x
    x = 129,159,858,605,354.95/13,000,500.64
  6. Step 6: Final answer
    x = 9,934,991.13

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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.