Home / 7,648,718.20-10,554,830.40-4,210,287.64

Finding the Fourth Proportional to 7,648,718.20, 10,554,830.40 and 4,210,287.64

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Solution

The fourth proportional to 7,648,718.20, 10,554,830.40 and 4,210,287.64 is: 5,809,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,718.20 : 10,554,830.40 = 4,210,287.64 : x
  2. Step 2: Convert to fraction form
    7,648,718.20/10,554,830.40 = 4,210,287.64/x
  3. Step 3: Cross multiply
    7,648,718.20x = 10,554,830.40 × 4,210,287.64
  4. Step 4: Simplify right side
    7,648,718.20x = 44,438,871,975,416.26
  5. Step 5: Solve for x
    x = 44,438,871,975,416.26/7,648,718.20
  6. Step 6: Final answer
    x = 5,809,976.37

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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.