Home / 42,705,355.40-64,051,812.30-12,410,059.40

Finding the Fourth Proportional to 42,705,355.40, 64,051,812.30 and 12,410,059.40

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Solution

The fourth proportional to 42,705,355.40, 64,051,812.30 and 12,410,059.40 is: 18,613,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705,355.40 : 64,051,812.30 = 12,410,059.40 : x
  2. Step 2: Convert to fraction form
    42,705,355.40/64,051,812.30 = 12,410,059.40/x
  3. Step 3: Cross multiply
    42,705,355.40x = 64,051,812.30 × 12,410,059.40
  4. Step 4: Simplify right side
    42,705,355.40x = 794,886,795,320,650.62
  5. Step 5: Solve for x
    x = 794,886,795,320,650.62/42,705,355.40
  6. Step 6: Final answer
    x = 18,613,281.35

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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.