Home / 18,386,618.16-25,372,536.89-10,125,065.28

Finding the Fourth Proportional to 18,386,618.16, 25,372,536.89 and 10,125,065.28

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Solution

The fourth proportional to 18,386,618.16, 25,372,536.89 and 10,125,065.28 is: 13,972,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,618.16 : 25,372,536.89 = 10,125,065.28 : x
  2. Step 2: Convert to fraction form
    18,386,618.16/25,372,536.89 = 10,125,065.28/x
  3. Step 3: Cross multiply
    18,386,618.16x = 25,372,536.89 × 10,125,065.28
  4. Step 4: Simplify right side
    18,386,618.16x = 256,898,592,330,458.16
  5. Step 5: Solve for x
    x = 256,898,592,330,458.16/18,386,618.16
  6. Step 6: Final answer
    x = 13,972,041.52

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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.