Home / 21,816,139.57-30,106,363.74-12,026,368.96

Finding the Fourth Proportional to 21,816,139.57, 30,106,363.74 and 12,026,368.96

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Solution

The fourth proportional to 21,816,139.57, 30,106,363.74 and 12,026,368.96 is: 16,596,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816,139.57 : 30,106,363.74 = 12,026,368.96 : x
  2. Step 2: Convert to fraction form
    21,816,139.57/30,106,363.74 = 12,026,368.96/x
  3. Step 3: Cross multiply
    21,816,139.57x = 30,106,363.74 × 12,026,368.96
  4. Step 4: Simplify right side
    21,816,139.57x = 362,070,238,260,840.69
  5. Step 5: Solve for x
    x = 362,070,238,260,840.69/21,816,139.57
  6. Step 6: Final answer
    x = 16,596,439.40

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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.