Home / 16,507,865.40-24,761,798.10-12,728,729.40

Finding the Fourth Proportional to 16,507,865.40, 24,761,798.10 and 12,728,729.40

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Solution

The fourth proportional to 16,507,865.40, 24,761,798.10 and 12,728,729.40 is: 19,093,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,865.40 : 24,761,798.10 = 12,728,729.40 : x
  2. Step 2: Convert to fraction form
    16,507,865.40/24,761,798.10 = 12,728,729.40/x
  3. Step 3: Cross multiply
    16,507,865.40x = 24,761,798.10 × 12,728,729.40
  4. Step 4: Simplify right side
    16,507,865.40x = 315,186,227,472,334.19
  5. Step 5: Solve for x
    x = 315,186,227,472,334.19/16,507,865.40
  6. Step 6: Final answer
    x = 19,093,094.10

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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.