Home / 7,139,424.12-10,713,390.30-2,590,827.62

Finding the Fourth Proportional to 7,139,424.12, 10,713,390.30 and 2,590,827.62

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Solution

The fourth proportional to 7,139,424.12, 10,713,390.30 and 2,590,827.62 is: 3,887,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,424.12 : 10,713,390.30 = 2,590,827.62 : x
  2. Step 2: Convert to fraction form
    7,139,424.12/10,713,390.30 = 2,590,827.62/x
  3. Step 3: Cross multiply
    7,139,424.12x = 10,713,390.30 × 2,590,827.62
  4. Step 4: Simplify right side
    7,139,424.12x = 27,756,547,439,513.14
  5. Step 5: Solve for x
    x = 27,756,547,439,513.14/7,139,424.12
  6. Step 6: Final answer
    x = 3,887,785.20

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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.