Home / 42,303,209.80-63,454,814.70-12,007,136.20

Finding the Fourth Proportional to 42,303,209.80, 63,454,814.70 and 12,007,136.20

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Solution

The fourth proportional to 42,303,209.80, 63,454,814.70 and 12,007,136.20 is: 18,010,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,209.80 : 63,454,814.70 = 12,007,136.20 : x
  2. Step 2: Convert to fraction form
    42,303,209.80/63,454,814.70 = 12,007,136.20/x
  3. Step 3: Cross multiply
    42,303,209.80x = 63,454,814.70 × 12,007,136.20
  4. Step 4: Simplify right side
    42,303,209.80x = 761,910,602,648,662.12
  5. Step 5: Solve for x
    x = 761,910,602,648,662.12/42,303,209.80
  6. Step 6: Final answer
    x = 18,010,704.30

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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.