Home / 13,148,423.66-18,144,476.56-7,347,253.07

Finding the Fourth Proportional to 13,148,423.66, 18,144,476.56 and 7,347,253.07

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Solution

The fourth proportional to 13,148,423.66, 18,144,476.56 and 7,347,253.07 is: 10,139,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,423.66 : 18,144,476.56 = 7,347,253.07 : x
  2. Step 2: Convert to fraction form
    13,148,423.66/18,144,476.56 = 7,347,253.07/x
  3. Step 3: Cross multiply
    13,148,423.66x = 18,144,476.56 × 7,347,253.07
  4. Step 4: Simplify right side
    13,148,423.66x = 133,312,061,109,003.03
  5. Step 5: Solve for x
    x = 133,312,061,109,003.03/13,148,423.66
  6. Step 6: Final answer
    x = 10,139,014.73

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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.