Home / 13,153,141.40-18,151,717.55-7,192,898.55

Finding the Fourth Proportional to 13,153,141.40, 18,151,717.55 and 7,192,898.55

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Solution

The fourth proportional to 13,153,141.40, 18,151,717.55 and 7,192,898.55 is: 9,926,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,141.40 : 18,151,717.55 = 7,192,898.55 : x
  2. Step 2: Convert to fraction form
    13,153,141.40/18,151,717.55 = 7,192,898.55/x
  3. Step 3: Cross multiply
    13,153,141.40x = 18,151,717.55 × 7,192,898.55
  4. Step 4: Simplify right side
    13,153,141.40x = 130,563,462,809,440.06
  5. Step 5: Solve for x
    x = 130,563,462,809,440.06/13,153,141.40
  6. Step 6: Final answer
    x = 9,926,409.13

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1.5x scale

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.