Home / 18,784,332.60-28,210,713.30-16,432,870.20

Finding the Fourth Proportional to 18,784,332.60, 28,210,713.30 and 16,432,870.20

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Solution

The fourth proportional to 18,784,332.60, 28,210,713.30 and 16,432,870.20 is: 24,679,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,332.60 : 28,210,713.30 = 16,432,870.20 : x
  2. Step 2: Convert to fraction form
    18,784,332.60/28,210,713.30 = 16,432,870.20/x
  3. Step 3: Cross multiply
    18,784,332.60x = 28,210,713.30 × 16,432,870.20
  4. Step 4: Simplify right side
    18,784,332.60x = 463,582,989,908,313.62
  5. Step 5: Solve for x
    x = 463,582,989,908,313.62/18,784,332.60
  6. Step 6: Final answer
    x = 24,679,236.67

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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.