Home / 15,283,143.29-21,076,262.03-9,778,260.17

Finding the Fourth Proportional to 15,283,143.29, 21,076,262.03 and 9,778,260.17

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Solution

The fourth proportional to 15,283,143.29, 21,076,262.03 and 9,778,260.17 is: 13,484,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283,143.29 : 21,076,262.03 = 9,778,260.17 : x
  2. Step 2: Convert to fraction form
    15,283,143.29/21,076,262.03 = 9,778,260.17/x
  3. Step 3: Cross multiply
    15,283,143.29x = 21,076,262.03 × 9,778,260.17
  4. Step 4: Simplify right side
    15,283,143.29x = 206,089,173,491,541.03
  5. Step 5: Solve for x
    x = 206,089,173,491,541.03/15,283,143.29
  6. Step 6: Final answer
    x = 13,484,737.37

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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.