Home / 19,360,056.30-29,040,084.45-12,989,957.10

Finding the Fourth Proportional to 19,360,056.30, 29,040,084.45 and 12,989,957.10

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Solution

The fourth proportional to 19,360,056.30, 29,040,084.45 and 12,989,957.10 is: 19,484,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,056.30 : 29,040,084.45 = 12,989,957.10 : x
  2. Step 2: Convert to fraction form
    19,360,056.30/29,040,084.45 = 12,989,957.10/x
  3. Step 3: Cross multiply
    19,360,056.30x = 29,040,084.45 × 12,989,957.10
  4. Step 4: Simplify right side
    19,360,056.30x = 377,229,451,185,877.06
  5. Step 5: Solve for x
    x = 377,229,451,185,877.06/19,360,056.30
  6. Step 6: Final answer
    x = 19,484,935.65

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1.5x scale

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.