Home / 42,303,657.60-63,455,486.40-12,011,520.60

Finding the Fourth Proportional to 42,303,657.60, 63,455,486.40 and 12,011,520.60

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Solution

The fourth proportional to 42,303,657.60, 63,455,486.40 and 12,011,520.60 is: 18,017,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,657.60 : 63,455,486.40 = 12,011,520.60 : x
  2. Step 2: Convert to fraction form
    42,303,657.60/63,455,486.40 = 12,011,520.60/x
  3. Step 3: Cross multiply
    42,303,657.60x = 63,455,486.40 × 12,011,520.60
  4. Step 4: Simplify right side
    42,303,657.60x = 762,196,882,076,619.75
  5. Step 5: Solve for x
    x = 762,196,882,076,619.75/42,303,657.60
  6. Step 6: Final answer
    x = 18,017,280.90

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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.