Home / 7,229,731.09-9,977,130.70-3,966,486.52

Finding the Fourth Proportional to 7,229,731.09, 9,977,130.70 and 3,966,486.52

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Solution

The fourth proportional to 7,229,731.09, 9,977,130.70 and 3,966,486.52 is: 5,473,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229,731.09 : 9,977,130.70 = 3,966,486.52 : x
  2. Step 2: Convert to fraction form
    7,229,731.09/9,977,130.70 = 3,966,486.52/x
  3. Step 3: Cross multiply
    7,229,731.09x = 9,977,130.70 × 3,966,486.52
  4. Step 4: Simplify right side
    7,229,731.09x = 39,574,154,394,969.12
  5. Step 5: Solve for x
    x = 39,574,154,394,969.12/7,229,731.09
  6. Step 6: Final answer
    x = 5,473,807.24

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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.