Home / 19,129,262.12-26,398,166.81-10,427,243.79

Finding the Fourth Proportional to 19,129,262.12, 26,398,166.81 and 10,427,243.79

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Solution

The fourth proportional to 19,129,262.12, 26,398,166.81 and 10,427,243.79 is: 14,389,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129,262.12 : 26,398,166.81 = 10,427,243.79 : x
  2. Step 2: Convert to fraction form
    19,129,262.12/26,398,166.81 = 10,427,243.79/x
  3. Step 3: Cross multiply
    19,129,262.12x = 26,398,166.81 × 10,427,243.79
  4. Step 4: Simplify right side
    19,129,262.12x = 275,260,120,963,024.69
  5. Step 5: Solve for x
    x = 275,260,120,963,024.69/19,129,262.12
  6. Step 6: Final answer
    x = 14,389,479.29

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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.