Home / 13,781,803.82-19,018,565.79-7,670,101.10

Finding the Fourth Proportional to 13,781,803.82, 19,018,565.79 and 7,670,101.10

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Solution

The fourth proportional to 13,781,803.82, 19,018,565.79 and 7,670,101.10 is: 10,584,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,803.82 : 19,018,565.79 = 7,670,101.10 : x
  2. Step 2: Convert to fraction form
    13,781,803.82/19,018,565.79 = 7,670,101.10/x
  3. Step 3: Cross multiply
    13,781,803.82x = 19,018,565.79 × 7,670,101.10
  4. Step 4: Simplify right side
    13,781,803.82x = 145,874,322,386,301.34
  5. Step 5: Solve for x
    x = 145,874,322,386,301.34/13,781,803.82
  6. Step 6: Final answer
    x = 10,584,559.49

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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.