Home / 28,952,539.80-43,427,427.30-9,781,416.60

Finding the Fourth Proportional to 28,952,539.80, 43,427,427.30 and 9,781,416.60

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Solution

The fourth proportional to 28,952,539.80, 43,427,427.30 and 9,781,416.60 is: 14,671,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952,539.80 : 43,427,427.30 = 9,781,416.60 : x
  2. Step 2: Convert to fraction form
    28,952,539.80/43,427,427.30 = 9,781,416.60/x
  3. Step 3: Cross multiply
    28,952,539.80x = 43,427,427.30 × 9,781,416.60
  4. Step 4: Simplify right side
    28,952,539.80x = 424,781,758,287,513.12
  5. Step 5: Solve for x
    x = 424,781,758,287,513.12/28,952,539.80
  6. Step 6: Final answer
    x = 14,671,657.87

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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.