Home / 10,028,685.90-15,009,510.03-5,709,576.66

Finding the Fourth Proportional to 10,028,685.90, 15,009,510.03 and 5,709,576.66

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Solution

The fourth proportional to 10,028,685.90, 15,009,510.03 and 5,709,576.66 is: 8,545,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028,685.90 : 15,009,510.03 = 5,709,576.66 : x
  2. Step 2: Convert to fraction form
    10,028,685.90/15,009,510.03 = 5,709,576.66/x
  3. Step 3: Cross multiply
    10,028,685.90x = 15,009,510.03 × 5,709,576.66
  4. Step 4: Simplify right side
    10,028,685.90x = 85,697,948,145,323.89
  5. Step 5: Solve for x
    x = 85,697,948,145,323.89/10,028,685.90
  6. Step 6: Final answer
    x = 8,545,281.90

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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.