Home / 18,688,847.40-28,033,271.10-14,909,711.40

Finding the Fourth Proportional to 18,688,847.40, 28,033,271.10 and 14,909,711.40

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Solution

The fourth proportional to 18,688,847.40, 28,033,271.10 and 14,909,711.40 is: 22,364,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688,847.40 : 28,033,271.10 = 14,909,711.40 : x
  2. Step 2: Convert to fraction form
    18,688,847.40/28,033,271.10 = 14,909,711.40/x
  3. Step 3: Cross multiply
    18,688,847.40x = 28,033,271.10 × 14,909,711.40
  4. Step 4: Simplify right side
    18,688,847.40x = 417,967,981,698,960.56
  5. Step 5: Solve for x
    x = 417,967,981,698,960.56/18,688,847.40
  6. Step 6: Final answer
    x = 22,364,567.10

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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.