Home / 13,943,938.10-20,915,907.15-6,385,666.10

Finding the Fourth Proportional to 13,943,938.10, 20,915,907.15 and 6,385,666.10

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Solution

The fourth proportional to 13,943,938.10, 20,915,907.15 and 6,385,666.10 is: 9,578,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,938.10 : 20,915,907.15 = 6,385,666.10 : x
  2. Step 2: Convert to fraction form
    13,943,938.10/20,915,907.15 = 6,385,666.10/x
  3. Step 3: Cross multiply
    13,943,938.10x = 20,915,907.15 × 6,385,666.10
  4. Step 4: Simplify right side
    13,943,938.10x = 133,561,999,238,502.59
  5. Step 5: Solve for x
    x = 133,561,999,238,502.59/13,943,938.10
  6. Step 6: Final answer
    x = 9,578,499.15

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1.5x scale

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.