Home / 7,141,368.20-9,855,057.64-3,878,160.08

Finding the Fourth Proportional to 7,141,368.20, 9,855,057.64 and 3,878,160.08

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Solution

The fourth proportional to 7,141,368.20, 9,855,057.64 and 3,878,160.08 is: 5,351,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,368.20 : 9,855,057.64 = 3,878,160.08 : x
  2. Step 2: Convert to fraction form
    7,141,368.20/9,855,057.64 = 3,878,160.08/x
  3. Step 3: Cross multiply
    7,141,368.20x = 9,855,057.64 × 3,878,160.08
  4. Step 4: Simplify right side
    7,141,368.20x = 38,219,491,125,547.02
  5. Step 5: Solve for x
    x = 38,219,491,125,547.02/7,141,368.20
  6. Step 6: Final answer
    x = 5,351,844.36

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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.