Home / 14,679,962.40-22,019,943.60-9,578,128.80

Finding the Fourth Proportional to 14,679,962.40, 22,019,943.60 and 9,578,128.80

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Solution

The fourth proportional to 14,679,962.40, 22,019,943.60 and 9,578,128.80 is: 14,367,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,962.40 : 22,019,943.60 = 9,578,128.80 : x
  2. Step 2: Convert to fraction form
    14,679,962.40/22,019,943.60 = 9,578,128.80/x
  3. Step 3: Cross multiply
    14,679,962.40x = 22,019,943.60 × 9,578,128.80
  4. Step 4: Simplify right side
    14,679,962.40x = 210,909,855,969,535.72
  5. Step 5: Solve for x
    x = 210,909,855,969,535.72/14,679,962.40
  6. Step 6: Final answer
    x = 14,367,193.20

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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.