Home / 9,561,780-13,195,256.67-5,269,428

Finding the Fourth Proportional to 9,561,780, 13,195,256.67 and 5,269,428

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Solution

The fourth proportional to 9,561,780, 13,195,256.67 and 5,269,428 is: 7,271,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561,780 : 13,195,256.67 = 5,269,428 : x
  2. Step 2: Convert to fraction form
    9,561,780/13,195,256.67 = 5,269,428/x
  3. Step 3: Cross multiply
    9,561,780x = 13,195,256.67 × 5,269,428
  4. Step 4: Simplify right side
    9,561,780x = 69,531,454,964,084.76
  5. Step 5: Solve for x
    x = 69,531,454,964,084.76/9,561,780
  6. Step 6: Final answer
    x = 7,271,810.79

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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.