Home / 28,955,319.60-43,432,979.40-11,910,327.60

Finding the Fourth Proportional to 28,955,319.60, 43,432,979.40 and 11,910,327.60

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Solution

The fourth proportional to 28,955,319.60, 43,432,979.40 and 11,910,327.60 is: 17,865,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,319.60 : 43,432,979.40 = 11,910,327.60 : x
  2. Step 2: Convert to fraction form
    28,955,319.60/43,432,979.40 = 11,910,327.60/x
  3. Step 3: Cross multiply
    28,955,319.60x = 43,432,979.40 × 11,910,327.60
  4. Step 4: Simplify right side
    28,955,319.60x = 517,301,013,298,051.38
  5. Step 5: Solve for x
    x = 517,301,013,298,051.38/28,955,319.60
  6. Step 6: Final answer
    x = 17,865,491.40

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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.