Home / 19,010,000.40-28,515,000.60-17,666,307.60

Finding the Fourth Proportional to 19,010,000.40, 28,515,000.60 and 17,666,307.60

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Solution

The fourth proportional to 19,010,000.40, 28,515,000.60 and 17,666,307.60 is: 26,499,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,000.40 : 28,515,000.60 = 17,666,307.60 : x
  2. Step 2: Convert to fraction form
    19,010,000.40/28,515,000.60 = 17,666,307.60/x
  3. Step 3: Cross multiply
    19,010,000.40x = 28,515,000.60 × 17,666,307.60
  4. Step 4: Simplify right side
    19,010,000.40x = 503,754,771,813,784.62
  5. Step 5: Solve for x
    x = 503,754,771,813,784.62/19,010,000.40
  6. Step 6: Final answer
    x = 26,499,461.40

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Similar ratio
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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.