Home / 18,509,582.34-25,543,046.10-10,666,213.02

Finding the Fourth Proportional to 18,509,582.34, 25,543,046.10 and 10,666,213.02

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Solution

The fourth proportional to 18,509,582.34, 25,543,046.10 and 10,666,213.02 is: 14,719,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,582.34 : 25,543,046.10 = 10,666,213.02 : x
  2. Step 2: Convert to fraction form
    18,509,582.34/25,543,046.10 = 10,666,213.02/x
  3. Step 3: Cross multiply
    18,509,582.34x = 25,543,046.10 × 10,666,213.02
  4. Step 4: Simplify right side
    18,509,582.34x = 272,447,570,882,280.22
  5. Step 5: Solve for x
    x = 272,447,570,882,280.22/18,509,582.34
  6. Step 6: Final answer
    x = 14,719,271.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.