Home / 15,522,278.64-21,421,389.72-8,646,758.64

Finding the Fourth Proportional to 15,522,278.64, 21,421,389.72 and 8,646,758.64

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Solution

The fourth proportional to 15,522,278.64, 21,421,389.72 and 8,646,758.64 is: 11,932,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522,278.64 : 21,421,389.72 = 8,646,758.64 : x
  2. Step 2: Convert to fraction form
    15,522,278.64/21,421,389.72 = 8,646,758.64/x
  3. Step 3: Cross multiply
    15,522,278.64x = 21,421,389.72 × 8,646,758.64
  4. Step 4: Simplify right side
    15,522,278.64x = 185,225,586,642,217.19
  5. Step 5: Solve for x
    x = 185,225,586,642,217.19/15,522,278.64
  6. Step 6: Final answer
    x = 11,932,886.33

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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.