Home / 18,898,642.40-26,025,221.12-16,416,730.01

Finding the Fourth Proportional to 18,898,642.40, 26,025,221.12 and 16,416,730.01

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Solution

The fourth proportional to 18,898,642.40, 26,025,221.12 and 16,416,730.01 is: 22,607,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898,642.40 : 26,025,221.12 = 16,416,730.01 : x
  2. Step 2: Convert to fraction form
    18,898,642.40/26,025,221.12 = 16,416,730.01/x
  3. Step 3: Cross multiply
    18,898,642.40x = 26,025,221.12 × 16,416,730.01
  4. Step 4: Simplify right side
    18,898,642.40x = 427,249,028,488,505.50
  5. Step 5: Solve for x
    x = 427,249,028,488,505.50/18,898,642.40
  6. Step 6: Final answer
    x = 22,607,392.60

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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.