Home / 9,329,457.48-12,874,130.76-5,143,007.28

Finding the Fourth Proportional to 9,329,457.48, 12,874,130.76 and 5,143,007.28

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Solution

The fourth proportional to 9,329,457.48, 12,874,130.76 and 5,143,007.28 is: 7,097,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329,457.48 : 12,874,130.76 = 5,143,007.28 : x
  2. Step 2: Convert to fraction form
    9,329,457.48/12,874,130.76 = 5,143,007.28/x
  3. Step 3: Cross multiply
    9,329,457.48x = 12,874,130.76 × 5,143,007.28
  4. Step 4: Simplify right side
    9,329,457.48x = 66,211,748,222,351.94
  5. Step 5: Solve for x
    x = 66,211,748,222,351.94/9,329,457.48
  6. Step 6: Final answer
    x = 7,097,063.08

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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.