Home / 7,762,707.12-10,712,609.10-4,278,173.35

Finding the Fourth Proportional to 7,762,707.12, 10,712,609.10 and 4,278,173.35

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Solution

The fourth proportional to 7,762,707.12, 10,712,609.10 and 4,278,173.35 is: 5,903,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762,707.12 : 10,712,609.10 = 4,278,173.35 : x
  2. Step 2: Convert to fraction form
    7,762,707.12/10,712,609.10 = 4,278,173.35/x
  3. Step 3: Cross multiply
    7,762,707.12x = 10,712,609.10 × 4,278,173.35
  4. Step 4: Simplify right side
    7,762,707.12x = 45,830,398,728,309.39
  5. Step 5: Solve for x
    x = 45,830,398,728,309.39/7,762,707.12
  6. Step 6: Final answer
    x = 5,903,919.60

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1.5x scale

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.