Home / 18,679,833.40-28,019,750.10-7,316,505.40

Finding the Fourth Proportional to 18,679,833.40, 28,019,750.10 and 7,316,505.40

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Solution

The fourth proportional to 18,679,833.40, 28,019,750.10 and 7,316,505.40 is: 10,974,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,833.40 : 28,019,750.10 = 7,316,505.40 : x
  2. Step 2: Convert to fraction form
    18,679,833.40/28,019,750.10 = 7,316,505.40/x
  3. Step 3: Cross multiply
    18,679,833.40x = 28,019,750.10 × 7,316,505.40
  4. Step 4: Simplify right side
    18,679,833.40x = 205,006,652,913,300.56
  5. Step 5: Solve for x
    x = 205,006,652,913,300.56/18,679,833.40
  6. Step 6: Final answer
    x = 10,974,758.10

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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.