Home / 19,172,021.40-28,758,032.10-14,889,000.60

Finding the Fourth Proportional to 19,172,021.40, 28,758,032.10 and 14,889,000.60

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Solution

The fourth proportional to 19,172,021.40, 28,758,032.10 and 14,889,000.60 is: 22,333,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,021.40 : 28,758,032.10 = 14,889,000.60 : x
  2. Step 2: Convert to fraction form
    19,172,021.40/28,758,032.10 = 14,889,000.60/x
  3. Step 3: Cross multiply
    19,172,021.40x = 28,758,032.10 × 14,889,000.60
  4. Step 4: Simplify right side
    19,172,021.40x = 428,178,357,191,719.25
  5. Step 5: Solve for x
    x = 428,178,357,191,719.25/19,172,021.40
  6. Step 6: Final answer
    x = 22,333,500.90

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1.5x scale

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.