Home / 22,486,438.19-31,031,295.15-12,173,161.28

Finding the Fourth Proportional to 22,486,438.19, 31,031,295.15 and 12,173,161.28

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Solution

The fourth proportional to 22,486,438.19, 31,031,295.15 and 12,173,161.28 is: 16,798,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,438.19 : 31,031,295.15 = 12,173,161.28 : x
  2. Step 2: Convert to fraction form
    22,486,438.19/31,031,295.15 = 12,173,161.28/x
  3. Step 3: Cross multiply
    22,486,438.19x = 31,031,295.15 × 12,173,161.28
  4. Step 4: Simplify right side
    22,486,438.19x = 377,748,960,527,365.94
  5. Step 5: Solve for x
    x = 377,748,960,527,365.94/22,486,438.19
  6. Step 6: Final answer
    x = 16,798,968.22

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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.