Home / 21,558,036.20-32,258,322.30-15,889,332.20

Finding the Fourth Proportional to 21,558,036.20, 32,258,322.30 and 15,889,332.20

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Solution

The fourth proportional to 21,558,036.20, 32,258,322.30 and 15,889,332.20 is: 23,775,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,036.20 : 32,258,322.30 = 15,889,332.20 : x
  2. Step 2: Convert to fraction form
    21,558,036.20/32,258,322.30 = 15,889,332.20/x
  3. Step 3: Cross multiply
    21,558,036.20x = 32,258,322.30 × 15,889,332.20
  4. Step 4: Simplify right side
    21,558,036.20x = 512,563,199,239,368.06
  5. Step 5: Solve for x
    x = 512,563,199,239,368.06/21,558,036.20
  6. Step 6: Final answer
    x = 23,775,968.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.