Home / 12,516,834.24-17,271,802.80-7,009,443.36

Finding the Fourth Proportional to 12,516,834.24, 17,271,802.80 and 7,009,443.36

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Solution

The fourth proportional to 12,516,834.24, 17,271,802.80 and 7,009,443.36 is: 9,672,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,834.24 : 17,271,802.80 = 7,009,443.36 : x
  2. Step 2: Convert to fraction form
    12,516,834.24/17,271,802.80 = 7,009,443.36/x
  3. Step 3: Cross multiply
    12,516,834.24x = 17,271,802.80 × 7,009,443.36
  4. Step 4: Simplify right side
    12,516,834.24x = 121,065,723,451,689.42
  5. Step 5: Solve for x
    x = 121,065,723,451,689.42/12,516,834.24
  6. Step 6: Final answer
    x = 9,672,231.90

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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.