Home / 42,444,520.20-63,666,780.30-12,152,383.20

Finding the Fourth Proportional to 42,444,520.20, 63,666,780.30 and 12,152,383.20

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Solution

The fourth proportional to 42,444,520.20, 63,666,780.30 and 12,152,383.20 is: 18,228,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444,520.20 : 63,666,780.30 = 12,152,383.20 : x
  2. Step 2: Convert to fraction form
    42,444,520.20/63,666,780.30 = 12,152,383.20/x
  3. Step 3: Cross multiply
    42,444,520.20x = 63,666,780.30 × 12,152,383.20
  4. Step 4: Simplify right side
    42,444,520.20x = 773,703,111,315,810.88
  5. Step 5: Solve for x
    x = 773,703,111,315,810.88/42,444,520.20
  6. Step 6: Final answer
    x = 18,228,574.80

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1.5x scale

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.