Home / 14,040,988.40-21,061,482.60-9,785,961.20

Finding the Fourth Proportional to 14,040,988.40, 21,061,482.60 and 9,785,961.20

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Solution

The fourth proportional to 14,040,988.40, 21,061,482.60 and 9,785,961.20 is: 14,678,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,988.40 : 21,061,482.60 = 9,785,961.20 : x
  2. Step 2: Convert to fraction form
    14,040,988.40/21,061,482.60 = 9,785,961.20/x
  3. Step 3: Cross multiply
    14,040,988.40x = 21,061,482.60 × 9,785,961.20
  4. Step 4: Simplify right side
    14,040,988.40x = 206,106,851,538,075.12
  5. Step 5: Solve for x
    x = 206,106,851,538,075.12/14,040,988.40
  6. Step 6: Final answer
    x = 14,678,941.80

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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.