Home / 7,768,017.68-10,721,127.12-4,673,668.64

Finding the Fourth Proportional to 7,768,017.68, 10,721,127.12 and 4,673,668.64

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Solution

The fourth proportional to 7,768,017.68, 10,721,127.12 and 4,673,668.64 is: 6,450,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,017.68 : 10,721,127.12 = 4,673,668.64 : x
  2. Step 2: Convert to fraction form
    7,768,017.68/10,721,127.12 = 4,673,668.64/x
  3. Step 3: Cross multiply
    7,768,017.68x = 10,721,127.12 × 4,673,668.64
  4. Step 4: Simplify right side
    7,768,017.68x = 50,106,995,606,197.51
  5. Step 5: Solve for x
    x = 50,106,995,606,197.51/7,768,017.68
  6. Step 6: Final answer
    x = 6,450,422.45

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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.