Home / 10,403,812.80-15,585,890.40-5,609,908.80

Finding the Fourth Proportional to 10,403,812.80, 15,585,890.40 and 5,609,908.80

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Solution

The fourth proportional to 10,403,812.80, 15,585,890.40 and 5,609,908.80 is: 8,404,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,812.80 : 15,585,890.40 = 5,609,908.80 : x
  2. Step 2: Convert to fraction form
    10,403,812.80/15,585,890.40 = 5,609,908.80/x
  3. Step 3: Cross multiply
    10,403,812.80x = 15,585,890.40 × 5,609,908.80
  4. Step 4: Simplify right side
    10,403,812.80x = 87,435,423,710,795.52
  5. Step 5: Solve for x
    x = 87,435,423,710,795.52/10,403,812.80
  6. Step 6: Final answer
    x = 8,404,171.18

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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.