Home / 7,768,019.20-10,721,129.20-4,673,670.16

Finding the Fourth Proportional to 7,768,019.20, 10,721,129.20 and 4,673,670.16

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Solution

The fourth proportional to 7,768,019.20, 10,721,129.20 and 4,673,670.16 is: 6,450,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,019.20 : 10,721,129.20 = 4,673,670.16 : x
  2. Step 2: Convert to fraction form
    7,768,019.20/10,721,129.20 = 4,673,670.16/x
  3. Step 3: Cross multiply
    7,768,019.20x = 10,721,129.20 × 4,673,670.16
  4. Step 4: Simplify right side
    7,768,019.20x = 50,107,021,623,544.67
  5. Step 5: Solve for x
    x = 50,107,021,623,544.67/7,768,019.20
  6. Step 6: Final answer
    x = 6,450,424.53

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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.