Home / 43,047,015.80-64,570,756.98-12,755,141.24

Finding the Fourth Proportional to 43,047,015.80, 64,570,756.98 and 12,755,141.24

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Solution

The fourth proportional to 43,047,015.80, 64,570,756.98 and 12,755,141.24 is: 19,132,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047,015.80 : 64,570,756.98 = 12,755,141.24 : x
  2. Step 2: Convert to fraction form
    43,047,015.80/64,570,756.98 = 12,755,141.24/x
  3. Step 3: Cross multiply
    43,047,015.80x = 64,570,756.98 × 12,755,141.24
  4. Step 4: Simplify right side
    43,047,015.80x = 823,609,125,060,301.12
  5. Step 5: Solve for x
    x = 823,609,125,060,301.12/43,047,015.80
  6. Step 6: Final answer
    x = 19,132,780.98

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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.