Home / 12,955,928.20-19,433,892.30-4,435,505.80

Finding the Fourth Proportional to 12,955,928.20, 19,433,892.30 and 4,435,505.80

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Solution

The fourth proportional to 12,955,928.20, 19,433,892.30 and 4,435,505.80 is: 6,653,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,928.20 : 19,433,892.30 = 4,435,505.80 : x
  2. Step 2: Convert to fraction form
    12,955,928.20/19,433,892.30 = 4,435,505.80/x
  3. Step 3: Cross multiply
    12,955,928.20x = 19,433,892.30 × 4,435,505.80
  4. Step 4: Simplify right side
    12,955,928.20x = 86,199,142,013,225.34
  5. Step 5: Solve for x
    x = 86,199,142,013,225.34/12,955,928.20
  6. Step 6: Final answer
    x = 6,653,258.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.