Home / 10,365,510.76-15,551,254.23-3,178,105.36

Finding the Fourth Proportional to 10,365,510.76, 15,551,254.23 and 3,178,105.36

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Solution

The fourth proportional to 10,365,510.76, 15,551,254.23 and 3,178,105.36 is: 4,768,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,510.76 : 15,551,254.23 = 3,178,105.36 : x
  2. Step 2: Convert to fraction form
    10,365,510.76/15,551,254.23 = 3,178,105.36/x
  3. Step 3: Cross multiply
    10,365,510.76x = 15,551,254.23 × 3,178,105.36
  4. Step 4: Simplify right side
    10,365,510.76x = 49,423,524,423,085.67
  5. Step 5: Solve for x
    x = 49,423,524,423,085.67/10,365,510.76
  6. Step 6: Final answer
    x = 4,768,074.20

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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.