Home / 10,698,628.40-14,760,232.62-7,029,521.12

Finding the Fourth Proportional to 10,698,628.40, 14,760,232.62 and 7,029,521.12

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Solution

The fourth proportional to 10,698,628.40, 14,760,232.62 and 7,029,521.12 is: 9,698,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698,628.40 : 14,760,232.62 = 7,029,521.12 : x
  2. Step 2: Convert to fraction form
    10,698,628.40/14,760,232.62 = 7,029,521.12/x
  3. Step 3: Cross multiply
    10,698,628.40x = 14,760,232.62 × 7,029,521.12
  4. Step 4: Simplify right side
    10,698,628.40x = 103,757,366,938,402.94
  5. Step 5: Solve for x
    x = 103,757,366,938,402.94/10,698,628.40
  6. Step 6: Final answer
    x = 9,698,193.36

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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.