Home / 13,161,898.64-18,164,345.64-7,361,220.08

Finding the Fourth Proportional to 13,161,898.64, 18,164,345.64 and 7,361,220.08

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Solution

The fourth proportional to 13,161,898.64, 18,164,345.64 and 7,361,220.08 is: 10,159,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,898.64 : 18,164,345.64 = 7,361,220.08 : x
  2. Step 2: Convert to fraction form
    13,161,898.64/18,164,345.64 = 7,361,220.08/x
  3. Step 3: Cross multiply
    13,161,898.64x = 18,164,345.64 × 7,361,220.08
  4. Step 4: Simplify right side
    13,161,898.64x = 133,711,745,865,228.45
  5. Step 5: Solve for x
    x = 133,711,745,865,228.45/13,161,898.64
  6. Step 6: Final answer
    x = 10,159,001.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.