Home / 10,485,412.80-15,696,626.40-6,223,387.20

Finding the Fourth Proportional to 10,485,412.80, 15,696,626.40 and 6,223,387.20

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Solution

The fourth proportional to 10,485,412.80, 15,696,626.40 and 6,223,387.20 is: 9,316,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485,412.80 : 15,696,626.40 = 6,223,387.20 : x
  2. Step 2: Convert to fraction form
    10,485,412.80/15,696,626.40 = 6,223,387.20/x
  3. Step 3: Cross multiply
    10,485,412.80x = 15,696,626.40 × 6,223,387.20
  4. Step 4: Simplify right side
    10,485,412.80x = 97,686,183,820,942.08
  5. Step 5: Solve for x
    x = 97,686,183,820,942.08/10,485,412.80
  6. Step 6: Final answer
    x = 9,316,388.94

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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.