Home / 20,733,158.70-31,099,738.06-9,218,603.70

Finding the Fourth Proportional to 20,733,158.70, 31,099,738.06 and 9,218,603.70

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Solution

The fourth proportional to 20,733,158.70, 31,099,738.06 and 9,218,603.70 is: 13,827,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,158.70 : 31,099,738.06 = 9,218,603.70 : x
  2. Step 2: Convert to fraction form
    20,733,158.70/31,099,738.06 = 9,218,603.70/x
  3. Step 3: Cross multiply
    20,733,158.70x = 31,099,738.06 × 9,218,603.70
  4. Step 4: Simplify right side
    20,733,158.70x = 286,696,160,348,946.81
  5. Step 5: Solve for x
    x = 286,696,160,348,946.81/20,733,158.70
  6. Step 6: Final answer
    x = 13,827,905.55

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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.