Home / 7,683,526.40-11,517,416.40-4,487,007.20

Finding the Fourth Proportional to 7,683,526.40, 11,517,416.40 and 4,487,007.20

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Solution

The fourth proportional to 7,683,526.40, 11,517,416.40 and 4,487,007.20 is: 6,725,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683,526.40 : 11,517,416.40 = 4,487,007.20 : x
  2. Step 2: Convert to fraction form
    7,683,526.40/11,517,416.40 = 4,487,007.20/x
  3. Step 3: Cross multiply
    7,683,526.40x = 11,517,416.40 × 4,487,007.20
  4. Step 4: Simplify right side
    7,683,526.40x = 51,678,730,312,198.09
  5. Step 5: Solve for x
    x = 51,678,730,312,198.09/7,683,526.40
  6. Step 6: Final answer
    x = 6,725,913.03

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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.