Home / 12,922,487.40-19,383,731.10-10,403,063.40

Finding the Fourth Proportional to 12,922,487.40, 19,383,731.10 and 10,403,063.40

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Solution

The fourth proportional to 12,922,487.40, 19,383,731.10 and 10,403,063.40 is: 15,604,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,487.40 : 19,383,731.10 = 10,403,063.40 : x
  2. Step 2: Convert to fraction form
    12,922,487.40/19,383,731.10 = 10,403,063.40/x
  3. Step 3: Cross multiply
    12,922,487.40x = 19,383,731.10 × 10,403,063.40
  4. Step 4: Simplify right side
    12,922,487.40x = 201,650,183,561,851.75
  5. Step 5: Solve for x
    x = 201,650,183,561,851.75/12,922,487.40
  6. Step 6: Final answer
    x = 15,604,595.10

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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.