Home / 21,805,633-30,091,359.90-12,016,981.84

Finding the Fourth Proportional to 21,805,633, 30,091,359.90 and 12,016,981.84

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Solution

The fourth proportional to 21,805,633, 30,091,359.90 and 12,016,981.84 is: 16,583,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,633 : 30,091,359.90 = 12,016,981.84 : x
  2. Step 2: Convert to fraction form
    21,805,633/30,091,359.90 = 12,016,981.84/x
  3. Step 3: Cross multiply
    21,805,633x = 30,091,359.90 × 12,016,981.84
  4. Step 4: Simplify right side
    21,805,633x = 361,607,325,459,204.19
  5. Step 5: Solve for x
    x = 361,607,325,459,204.19/21,805,633
  6. Step 6: Final answer
    x = 16,583,206.98

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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.