Home / 28,633,955.04-42,957,660.12-9,464,712.72

Finding the Fourth Proportional to 28,633,955.04, 42,957,660.12 and 9,464,712.72

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Solution

The fourth proportional to 28,633,955.04, 42,957,660.12 and 9,464,712.72 is: 14,199,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633,955.04 : 42,957,660.12 = 9,464,712.72 : x
  2. Step 2: Convert to fraction form
    28,633,955.04/42,957,660.12 = 9,464,712.72/x
  3. Step 3: Cross multiply
    28,633,955.04x = 42,957,660.12 × 9,464,712.72
  4. Step 4: Simplify right side
    28,633,955.04x = 406,581,912,159,200.75
  5. Step 5: Solve for x
    x = 406,581,912,159,200.75/28,633,955.04
  6. Step 6: Final answer
    x = 14,199,292.82

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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.