Home / 42,883,226.40-64,318,618.80-12,587,930.40

Finding the Fourth Proportional to 42,883,226.40, 64,318,618.80 and 12,587,930.40

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Solution

The fourth proportional to 42,883,226.40, 64,318,618.80 and 12,587,930.40 is: 18,880,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883,226.40 : 64,318,618.80 = 12,587,930.40 : x
  2. Step 2: Convert to fraction form
    42,883,226.40/64,318,618.80 = 12,587,930.40/x
  3. Step 3: Cross multiply
    42,883,226.40x = 64,318,618.80 × 12,587,930.40
  4. Step 4: Simplify right side
    42,883,226.40x = 809,638,296,878,531.50
  5. Step 5: Solve for x
    x = 809,638,296,878,531.50/42,883,226.40
  6. Step 6: Final answer
    x = 18,880,069.55

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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.