Home / 18,125,114.91-25,012,762.61-9,865,157.51

Finding the Fourth Proportional to 18,125,114.91, 25,012,762.61 and 9,865,157.51

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Solution

The fourth proportional to 18,125,114.91, 25,012,762.61 and 9,865,157.51 is: 13,613,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,114.91 : 25,012,762.61 = 9,865,157.51 : x
  2. Step 2: Convert to fraction form
    18,125,114.91/25,012,762.61 = 9,865,157.51/x
  3. Step 3: Cross multiply
    18,125,114.91x = 25,012,762.61 × 9,865,157.51
  4. Step 4: Simplify right side
    18,125,114.91x = 246,754,842,733,499.12
  5. Step 5: Solve for x
    x = 246,754,842,733,499.12/18,125,114.91
  6. Step 6: Final answer
    x = 13,613,973.98

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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.