Home / 42,529,117.80-63,793,676.70-12,236,980.80

Finding the Fourth Proportional to 42,529,117.80, 63,793,676.70 and 12,236,980.80

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Solution

The fourth proportional to 42,529,117.80, 63,793,676.70 and 12,236,980.80 is: 18,355,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,529,117.80 : 63,793,676.70 = 12,236,980.80 : x
  2. Step 2: Convert to fraction form
    42,529,117.80/63,793,676.70 = 12,236,980.80/x
  3. Step 3: Cross multiply
    42,529,117.80x = 63,793,676.70 × 12,236,980.80
  4. Step 4: Simplify right side
    42,529,117.80x = 780,641,996,939,307.50
  5. Step 5: Solve for x
    x = 780,641,996,939,307.50/42,529,117.80
  6. Step 6: Final answer
    x = 18,355,471.20

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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.