Home / 18,112,154.94-27,168,421.95-5,332,901.58

Finding the Fourth Proportional to 18,112,154.94, 27,168,421.95 and 5,332,901.58

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Solution

The fourth proportional to 18,112,154.94, 27,168,421.95 and 5,332,901.58 is: 7,999,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,154.94 : 27,168,421.95 = 5,332,901.58 : x
  2. Step 2: Convert to fraction form
    18,112,154.94/27,168,421.95 = 5,332,901.58/x
  3. Step 3: Cross multiply
    18,112,154.94x = 27,168,421.95 × 5,332,901.58
  4. Step 4: Simplify right side
    18,112,154.94x = 144,886,520,343,261.69
  5. Step 5: Solve for x
    x = 144,886,520,343,261.69/18,112,154.94
  6. Step 6: Final answer
    x = 7,999,408.18

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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.