Home / 28,816,497.18-39,766,647.22-15,585,688.86

Finding the Fourth Proportional to 28,816,497.18, 39,766,647.22 and 15,585,688.86

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Solution

The fourth proportional to 28,816,497.18, 39,766,647.22 and 15,585,688.86 is: 21,508,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,497.18 : 39,766,647.22 = 15,585,688.86 : x
  2. Step 2: Convert to fraction form
    28,816,497.18/39,766,647.22 = 15,585,688.86/x
  3. Step 3: Cross multiply
    28,816,497.18x = 39,766,647.22 × 15,585,688.86
  4. Step 4: Simplify right side
    28,816,497.18x = 619,790,590,576,303.88
  5. Step 5: Solve for x
    x = 619,790,590,576,303.88/28,816,497.18
  6. Step 6: Final answer
    x = 21,508,186.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.