Home / 10,553,665.20-15,825,767.40-4,160,626.80

Finding the Fourth Proportional to 10,553,665.20, 15,825,767.40 and 4,160,626.80

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Solution

The fourth proportional to 10,553,665.20, 15,825,767.40 and 4,160,626.80 is: 6,239,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,665.20 : 15,825,767.40 = 4,160,626.80 : x
  2. Step 2: Convert to fraction form
    10,553,665.20/15,825,767.40 = 4,160,626.80/x
  3. Step 3: Cross multiply
    10,553,665.20x = 15,825,767.40 × 4,160,626.80
  4. Step 4: Simplify right side
    10,553,665.20x = 65,845,111,975,006.32
  5. Step 5: Solve for x
    x = 65,845,111,975,006.32/10,553,665.20
  6. Step 6: Final answer
    x = 6,239,075.31

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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.