Home / 15,564,704.30-21,485,023.86-9,370,039.10

Finding the Fourth Proportional to 15,564,704.30, 21,485,023.86 and 9,370,039.10

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Solution

The fourth proportional to 15,564,704.30, 21,485,023.86 and 9,370,039.10 is: 12,934,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564,704.30 : 21,485,023.86 = 9,370,039.10 : x
  2. Step 2: Convert to fraction form
    15,564,704.30/21,485,023.86 = 9,370,039.10/x
  3. Step 3: Cross multiply
    15,564,704.30x = 21,485,023.86 × 9,370,039.10
  4. Step 4: Simplify right side
    15,564,704.30x = 201,315,513,632,632.91
  5. Step 5: Solve for x
    x = 201,315,513,632,632.91/15,564,704.30
  6. Step 6: Final answer
    x = 12,934,104.61

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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.