Home / 10,487,711.70-15,731,567.55-3,301,448.40

Finding the Fourth Proportional to 10,487,711.70, 15,731,567.55 and 3,301,448.40

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Solution

The fourth proportional to 10,487,711.70, 15,731,567.55 and 3,301,448.40 is: 4,952,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,711.70 : 15,731,567.55 = 3,301,448.40 : x
  2. Step 2: Convert to fraction form
    10,487,711.70/15,731,567.55 = 3,301,448.40/x
  3. Step 3: Cross multiply
    10,487,711.70x = 15,731,567.55 × 3,301,448.40
  4. Step 4: Simplify right side
    10,487,711.70x = 51,936,958,517,439.42
  5. Step 5: Solve for x
    x = 51,936,958,517,439.42/10,487,711.70
  6. Step 6: Final answer
    x = 4,952,172.60

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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.