Home / 42,303,350.80-63,455,026.20-12,007,277.20

Finding the Fourth Proportional to 42,303,350.80, 63,455,026.20 and 12,007,277.20

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Solution

The fourth proportional to 42,303,350.80, 63,455,026.20 and 12,007,277.20 is: 18,010,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,350.80 : 63,455,026.20 = 12,007,277.20 : x
  2. Step 2: Convert to fraction form
    42,303,350.80/63,455,026.20 = 12,007,277.20/x
  3. Step 3: Cross multiply
    42,303,350.80x = 63,455,026.20 × 12,007,277.20
  4. Step 4: Simplify right side
    42,303,350.80x = 761,922,089,316,662.62
  5. Step 5: Solve for x
    x = 761,922,089,316,662.62/42,303,350.80
  6. Step 6: Final answer
    x = 18,010,915.80

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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.