Home / 12,362,487.40-18,543,731.10-12,152,535.40

Finding the Fourth Proportional to 12,362,487.40, 18,543,731.10 and 12,152,535.40

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Solution

The fourth proportional to 12,362,487.40, 18,543,731.10 and 12,152,535.40 is: 18,228,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362,487.40 : 18,543,731.10 = 12,152,535.40 : x
  2. Step 2: Convert to fraction form
    12,362,487.40/18,543,731.10 = 12,152,535.40/x
  3. Step 3: Cross multiply
    12,362,487.40x = 18,543,731.10 × 12,152,535.40
  4. Step 4: Simplify right side
    12,362,487.40x = 225,353,348,640,830.97
  5. Step 5: Solve for x
    x = 225,353,348,640,830.97/12,362,487.40
  6. Step 6: Final answer
    x = 18,228,803.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.