Home / 12,390,454.75-17,097,825.15-7,163,798.23

Finding the Fourth Proportional to 12,390,454.75, 17,097,825.15 and 7,163,798.23

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Solution

The fourth proportional to 12,390,454.75, 17,097,825.15 and 7,163,798.23 is: 9,885,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,454.75 : 17,097,825.15 = 7,163,798.23 : x
  2. Step 2: Convert to fraction form
    12,390,454.75/17,097,825.15 = 7,163,798.23/x
  3. Step 3: Cross multiply
    12,390,454.75x = 17,097,825.15 × 7,163,798.23
  4. Step 4: Simplify right side
    12,390,454.75x = 122,485,369,663,167.94
  5. Step 5: Solve for x
    x = 122,485,369,663,167.94/12,390,454.75
  6. Step 6: Final answer
    x = 9,885,462.01

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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.