Home / 12,260,628-16,920,191.52-6,828,120

Finding the Fourth Proportional to 12,260,628, 16,920,191.52 and 6,828,120

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Solution

The fourth proportional to 12,260,628, 16,920,191.52 and 6,828,120 is: 9,423,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,628 : 16,920,191.52 = 6,828,120 : x
  2. Step 2: Convert to fraction form
    12,260,628/16,920,191.52 = 6,828,120/x
  3. Step 3: Cross multiply
    12,260,628x = 16,920,191.52 × 6,828,120
  4. Step 4: Simplify right side
    12,260,628x = 115,533,098,121,542.39
  5. Step 5: Solve for x
    x = 115,533,098,121,542.39/12,260,628
  6. Step 6: Final answer
    x = 9,423,097.91

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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.