Home / 22,710,581.28-31,340,197.44-12,920,814.72

Finding the Fourth Proportional to 22,710,581.28, 31,340,197.44 and 12,920,814.72

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Solution

The fourth proportional to 22,710,581.28, 31,340,197.44 and 12,920,814.72 is: 17,830,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710,581.28 : 31,340,197.44 = 12,920,814.72 : x
  2. Step 2: Convert to fraction form
    22,710,581.28/31,340,197.44 = 12,920,814.72/x
  3. Step 3: Cross multiply
    22,710,581.28x = 31,340,197.44 × 12,920,814.72
  4. Step 4: Simplify right side
    22,710,581.28x = 404,940,884,410,458.38
  5. Step 5: Solve for x
    x = 404,940,884,410,458.38/22,710,581.28
  6. Step 6: Final answer
    x = 17,830,494.05

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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.