Home / 13,007,698.08-17,949,916.20-7,206,133.92

Finding the Fourth Proportional to 13,007,698.08, 17,949,916.20 and 7,206,133.92

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Solution

The fourth proportional to 13,007,698.08, 17,949,916.20 and 7,206,133.92 is: 9,944,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007,698.08 : 17,949,916.20 = 7,206,133.92 : x
  2. Step 2: Convert to fraction form
    13,007,698.08/17,949,916.20 = 7,206,133.92/x
  3. Step 3: Cross multiply
    13,007,698.08x = 17,949,916.20 × 7,206,133.92
  4. Step 4: Simplify right side
    13,007,698.08x = 129,349,499,989,977.50
  5. Step 5: Solve for x
    x = 129,349,499,989,977.50/13,007,698.08
  6. Step 6: Final answer
    x = 9,944,073.06

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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.