Home / 10,382,604.40-15,566,533.80-3,990,386.80

Finding the Fourth Proportional to 10,382,604.40, 15,566,533.80 and 3,990,386.80

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Solution

The fourth proportional to 10,382,604.40, 15,566,533.80 and 3,990,386.80 is: 5,982,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,604.40 : 15,566,533.80 = 3,990,386.80 : x
  2. Step 2: Convert to fraction form
    10,382,604.40/15,566,533.80 = 3,990,386.80/x
  3. Step 3: Cross multiply
    10,382,604.40x = 15,566,533.80 × 3,990,386.80
  4. Step 4: Simplify right side
    10,382,604.40x = 62,116,490,997,273.84
  5. Step 5: Solve for x
    x = 62,116,490,997,273.84/10,382,604.40
  6. Step 6: Final answer
    x = 5,982,746.58

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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.