Home / 15,546,023.81-21,453,541.49-8,670,949.01

Finding the Fourth Proportional to 15,546,023.81, 21,453,541.49 and 8,670,949.01

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Solution

The fourth proportional to 15,546,023.81, 21,453,541.49 and 8,670,949.01 is: 11,965,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546,023.81 : 21,453,541.49 = 8,670,949.01 : x
  2. Step 2: Convert to fraction form
    15,546,023.81/21,453,541.49 = 8,670,949.01/x
  3. Step 3: Cross multiply
    15,546,023.81x = 21,453,541.49 × 8,670,949.01
  4. Step 4: Simplify right side
    15,546,023.81x = 186,022,564,300,354.66
  5. Step 5: Solve for x
    x = 186,022,564,300,354.66/15,546,023.81
  6. Step 6: Final answer
    x = 11,965,925.60

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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.