Home / 12,973,351.13-17,900,254.37-7,745,341.80

Finding the Fourth Proportional to 12,973,351.13, 17,900,254.37 and 7,745,341.80

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Solution

The fourth proportional to 12,973,351.13, 17,900,254.37 and 7,745,341.80 is: 10,686,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,351.13 : 17,900,254.37 = 7,745,341.80 : x
  2. Step 2: Convert to fraction form
    12,973,351.13/17,900,254.37 = 7,745,341.80/x
  3. Step 3: Cross multiply
    12,973,351.13x = 17,900,254.37 × 7,745,341.80
  4. Step 4: Simplify right side
    12,973,351.13x = 138,643,588,363,866.94
  5. Step 5: Solve for x
    x = 138,643,588,363,866.94/12,973,351.13
  6. Step 6: Final answer
    x = 10,686,798.42

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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.