Home / 28,392,782.80-42,606,670.20-11,351,678.80

Finding the Fourth Proportional to 28,392,782.80, 42,606,670.20 and 11,351,678.80

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Solution

The fourth proportional to 28,392,782.80, 42,606,670.20 and 11,351,678.80 is: 17,034,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,782.80 : 42,606,670.20 = 11,351,678.80 : x
  2. Step 2: Convert to fraction form
    28,392,782.80/42,606,670.20 = 11,351,678.80/x
  3. Step 3: Cross multiply
    28,392,782.80x = 42,606,670.20 × 11,351,678.80
  4. Step 4: Simplify right side
    28,392,782.80x = 483,657,234,847,931.81
  5. Step 5: Solve for x
    x = 483,657,234,847,931.81/28,392,782.80
  6. Step 6: Final answer
    x = 17,034,513.25

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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.