Home / 10,206,871.80-15,310,307.70-6,805,649.40

Finding the Fourth Proportional to 10,206,871.80, 15,310,307.70 and 6,805,649.40

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Solution

The fourth proportional to 10,206,871.80, 15,310,307.70 and 6,805,649.40 is: 10,208,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,871.80 : 15,310,307.70 = 6,805,649.40 : x
  2. Step 2: Convert to fraction form
    10,206,871.80/15,310,307.70 = 6,805,649.40/x
  3. Step 3: Cross multiply
    10,206,871.80x = 15,310,307.70 × 6,805,649.40
  4. Step 4: Simplify right side
    10,206,871.80x = 104,196,586,412,320.38
  5. Step 5: Solve for x
    x = 104,196,586,412,320.38/10,206,871.80
  6. Step 6: Final answer
    x = 10,208,474.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.