Home / 40,386,742.92-55,733,484.78-22,051,897.20

Finding the Fourth Proportional to 40,386,742.92, 55,733,484.78 and 22,051,897.20

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Solution

The fourth proportional to 40,386,742.92, 55,733,484.78 and 22,051,897.20 is: 30,431,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386,742.92 : 55,733,484.78 = 22,051,897.20 : x
  2. Step 2: Convert to fraction form
    40,386,742.92/55,733,484.78 = 22,051,897.20/x
  3. Step 3: Cross multiply
    40,386,742.92x = 55,733,484.78 × 22,051,897.20
  4. Step 4: Simplify right side
    40,386,742.92x = 1,229,029,076,966,324.50
  5. Step 5: Solve for x
    x = 1,229,029,076,966,324.50/40,386,742.92
  6. Step 6: Final answer
    x = 30,431,497.77

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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.