Home / 42,768,014.80-64,152,022.20-14,007,215.20

Finding the Fourth Proportional to 42,768,014.80, 64,152,022.20 and 14,007,215.20

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Solution

The fourth proportional to 42,768,014.80, 64,152,022.20 and 14,007,215.20 is: 21,010,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,014.80 : 64,152,022.20 = 14,007,215.20 : x
  2. Step 2: Convert to fraction form
    42,768,014.80/64,152,022.20 = 14,007,215.20/x
  3. Step 3: Cross multiply
    42,768,014.80x = 64,152,022.20 × 14,007,215.20
  4. Step 4: Simplify right side
    42,768,014.80x = 898,591,180,470,577.38
  5. Step 5: Solve for x
    x = 898,591,180,470,577.38/42,768,014.80
  6. Step 6: Final answer
    x = 21,010,822.80

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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.