Home / 10,519,820.20-15,779,730.30-9,732,500.20

Finding the Fourth Proportional to 10,519,820.20, 15,779,730.30 and 9,732,500.20

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Solution

The fourth proportional to 10,519,820.20, 15,779,730.30 and 9,732,500.20 is: 14,598,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,820.20 : 15,779,730.30 = 9,732,500.20 : x
  2. Step 2: Convert to fraction form
    10,519,820.20/15,779,730.30 = 9,732,500.20/x
  3. Step 3: Cross multiply
    10,519,820.20x = 15,779,730.30 × 9,732,500.20
  4. Step 4: Simplify right side
    10,519,820.20x = 153,576,228,300,696.06
  5. Step 5: Solve for x
    x = 153,576,228,300,696.06/10,519,820.20
  6. Step 6: Final answer
    x = 14,598,750.30

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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.