Home / 21,103,946.15-29,124,355.90-11,684,737.08

Finding the Fourth Proportional to 21,103,946.15, 29,124,355.90 and 11,684,737.08

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Solution

The fourth proportional to 21,103,946.15, 29,124,355.90 and 11,684,737.08 is: 16,125,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,103,946.15 : 29,124,355.90 = 11,684,737.08 : x
  2. Step 2: Convert to fraction form
    21,103,946.15/29,124,355.90 = 11,684,737.08/x
  3. Step 3: Cross multiply
    21,103,946.15x = 29,124,355.90 × 11,684,737.08
  4. Step 4: Simplify right side
    21,103,946.15x = 340,310,441,439,669.06
  5. Step 5: Solve for x
    x = 340,310,441,439,669.06/21,103,946.15
  6. Step 6: Final answer
    x = 16,125,441.14

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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.