Home / 18,702,746.40-28,006,880.40-14,923,610.40

Finding the Fourth Proportional to 18,702,746.40, 28,006,880.40 and 14,923,610.40

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Solution

The fourth proportional to 18,702,746.40, 28,006,880.40 and 14,923,610.40 is: 22,347,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,746.40 : 28,006,880.40 = 14,923,610.40 : x
  2. Step 2: Convert to fraction form
    18,702,746.40/28,006,880.40 = 14,923,610.40/x
  3. Step 3: Cross multiply
    18,702,746.40x = 28,006,880.40 × 14,923,610.40
  4. Step 4: Simplify right side
    18,702,746.40x = 417,963,771,608,996.12
  5. Step 5: Solve for x
    x = 417,963,771,608,996.12/18,702,746.40
  6. Step 6: Final answer
    x = 22,347,721.70

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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.