Home / 19,072,000.80-28,608,001.20-18,895,053.60

Finding the Fourth Proportional to 19,072,000.80, 28,608,001.20 and 18,895,053.60

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Solution

The fourth proportional to 19,072,000.80, 28,608,001.20 and 18,895,053.60 is: 28,342,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072,000.80 : 28,608,001.20 = 18,895,053.60 : x
  2. Step 2: Convert to fraction form
    19,072,000.80/28,608,001.20 = 18,895,053.60/x
  3. Step 3: Cross multiply
    19,072,000.80x = 28,608,001.20 × 18,895,053.60
  4. Step 4: Simplify right side
    19,072,000.80x = 540,549,716,062,864.38
  5. Step 5: Solve for x
    x = 540,549,716,062,864.38/19,072,000.80
  6. Step 6: Final answer
    x = 28,342,580.40

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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.