Home / 13,781,807.07-19,018,570.28-7,670,104.35

Finding the Fourth Proportional to 13,781,807.07, 19,018,570.28 and 7,670,104.35

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Solution

The fourth proportional to 13,781,807.07, 19,018,570.28 and 7,670,104.35 is: 10,584,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,807.07 : 19,018,570.28 = 7,670,104.35 : x
  2. Step 2: Convert to fraction form
    13,781,807.07/19,018,570.28 = 7,670,104.35/x
  3. Step 3: Cross multiply
    13,781,807.07x = 19,018,570.28 × 7,670,104.35
  4. Step 4: Simplify right side
    13,781,807.07x = 145,874,418,597,058.19
  5. Step 5: Solve for x
    x = 145,874,418,597,058.19/13,781,807.07
  6. Step 6: Final answer
    x = 10,584,563.97

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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.