Home / 23,123,146.10-31,911,901.17-12,813,103.22

Finding the Fourth Proportional to 23,123,146.10, 31,911,901.17 and 12,813,103.22

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Solution

The fourth proportional to 23,123,146.10, 31,911,901.17 and 12,813,103.22 is: 17,683,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123,146.10 : 31,911,901.17 = 12,813,103.22 : x
  2. Step 2: Convert to fraction form
    23,123,146.10/31,911,901.17 = 12,813,103.22/x
  3. Step 3: Cross multiply
    23,123,146.10x = 31,911,901.17 × 12,813,103.22
  4. Step 4: Simplify right side
    23,123,146.10x = 408,890,483,637,648.81
  5. Step 5: Solve for x
    x = 408,890,483,637,648.81/23,123,146.10
  6. Step 6: Final answer
    x = 17,683,168.28

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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.