Home / 12,308,800.95-18,446,697.68-9,579,643.79

Finding the Fourth Proportional to 12,308,800.95, 18,446,697.68 and 9,579,643.79

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Solution

The fourth proportional to 12,308,800.95, 18,446,697.68 and 9,579,643.79 is: 14,356,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,800.95 : 18,446,697.68 = 9,579,643.79 : x
  2. Step 2: Convert to fraction form
    12,308,800.95/18,446,697.68 = 9,579,643.79/x
  3. Step 3: Cross multiply
    12,308,800.95x = 18,446,697.68 × 9,579,643.79
  4. Step 4: Simplify right side
    12,308,800.95x = 176,712,792,736,087.72
  5. Step 5: Solve for x
    x = 176,712,792,736,087.72/12,308,800.95
  6. Step 6: Final answer
    x = 14,356,621.21

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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.