Home / 12,101,007.30-18,151,510.95-9,361,133.70

Finding the Fourth Proportional to 12,101,007.30, 18,151,510.95 and 9,361,133.70

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Solution

The fourth proportional to 12,101,007.30, 18,151,510.95 and 9,361,133.70 is: 14,041,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,007.30 : 18,151,510.95 = 9,361,133.70 : x
  2. Step 2: Convert to fraction form
    12,101,007.30/18,151,510.95 = 9,361,133.70/x
  3. Step 3: Cross multiply
    12,101,007.30x = 18,151,510.95 × 9,361,133.70
  4. Step 4: Simplify right side
    12,101,007.30x = 169,918,720,859,964
  5. Step 5: Solve for x
    x = 169,918,720,859,964/12,101,007.30
  6. Step 6: Final answer
    x = 14,041,700.55

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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.