Home / 19,578,701.80-29,368,052.70-11,925,951.40

Finding the Fourth Proportional to 19,578,701.80, 29,368,052.70 and 11,925,951.40

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Solution

The fourth proportional to 19,578,701.80, 29,368,052.70 and 11,925,951.40 is: 17,888,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578,701.80 : 29,368,052.70 = 11,925,951.40 : x
  2. Step 2: Convert to fraction form
    19,578,701.80/29,368,052.70 = 11,925,951.40/x
  3. Step 3: Cross multiply
    19,578,701.80x = 29,368,052.70 × 11,925,951.40
  4. Step 4: Simplify right side
    19,578,701.80x = 350,241,969,212,838.81
  5. Step 5: Solve for x
    x = 350,241,969,212,838.81/19,578,701.80
  6. Step 6: Final answer
    x = 17,888,927.10

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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.