Home / 13,369,632-18,450,315.72-7,258,060.50

Finding the Fourth Proportional to 13,369,632, 18,450,315.72 and 7,258,060.50

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Solution

The fourth proportional to 13,369,632, 18,450,315.72 and 7,258,060.50 is: 10,016,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,632 : 18,450,315.72 = 7,258,060.50 : x
  2. Step 2: Convert to fraction form
    13,369,632/18,450,315.72 = 7,258,060.50/x
  3. Step 3: Cross multiply
    13,369,632x = 18,450,315.72 × 7,258,060.50
  4. Step 4: Simplify right side
    13,369,632x = 133,913,507,739,861.05
  5. Step 5: Solve for x
    x = 133,913,507,739,861.05/13,369,632
  6. Step 6: Final answer
    x = 10,016,244.86

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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.