Home / 28,032,994.60-42,041,618.70-8,869,625.80

Finding the Fourth Proportional to 28,032,994.60, 42,041,618.70 and 8,869,625.80

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Solution

The fourth proportional to 28,032,994.60, 42,041,618.70 and 8,869,625.80 is: 13,301,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032,994.60 : 42,041,618.70 = 8,869,625.80 : x
  2. Step 2: Convert to fraction form
    28,032,994.60/42,041,618.70 = 8,869,625.80/x
  3. Step 3: Cross multiply
    28,032,994.60x = 42,041,618.70 × 8,869,625.80
  4. Step 4: Simplify right side
    28,032,994.60x = 372,893,425,895,282.50
  5. Step 5: Solve for x
    x = 372,893,425,895,282.50/28,032,994.60
  6. Step 6: Final answer
    x = 13,301,947.62

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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.