Home / 10,686,943.92-16,005,615.20-10,607,293.36

Finding the Fourth Proportional to 10,686,943.92, 16,005,615.20 and 10,607,293.36

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Solution

The fourth proportional to 10,686,943.92, 16,005,615.20 and 10,607,293.36 is: 15,886,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,943.92 : 16,005,615.20 = 10,607,293.36 : x
  2. Step 2: Convert to fraction form
    10,686,943.92/16,005,615.20 = 10,607,293.36/x
  3. Step 3: Cross multiply
    10,686,943.92x = 16,005,615.20 × 10,607,293.36
  4. Step 4: Simplify right side
    10,686,943.92x = 169,776,255,833,675.06
  5. Step 5: Solve for x
    x = 169,776,255,833,675.06/10,686,943.92
  6. Step 6: Final answer
    x = 15,886,324.20

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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.