Home / 19,931,800.20-29,897,700.30-19,553,886.60

Finding the Fourth Proportional to 19,931,800.20, 29,897,700.30 and 19,553,886.60

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Solution

The fourth proportional to 19,931,800.20, 29,897,700.30 and 19,553,886.60 is: 29,330,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,800.20 : 29,897,700.30 = 19,553,886.60 : x
  2. Step 2: Convert to fraction form
    19,931,800.20/29,897,700.30 = 19,553,886.60/x
  3. Step 3: Cross multiply
    19,931,800.20x = 29,897,700.30 × 19,553,886.60
  4. Step 4: Simplify right side
    19,931,800.20x = 584,616,241,266,986
  5. Step 5: Solve for x
    x = 584,616,241,266,986/19,931,800.20
  6. Step 6: Final answer
    x = 29,330,829.90

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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.