Home / 28,763,782.24-39,693,756.56-15,711,037.24

Finding the Fourth Proportional to 28,763,782.24, 39,693,756.56 and 15,711,037.24

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Solution

The fourth proportional to 28,763,782.24, 39,693,756.56 and 15,711,037.24 is: 21,681,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,782.24 : 39,693,756.56 = 15,711,037.24 : x
  2. Step 2: Convert to fraction form
    28,763,782.24/39,693,756.56 = 15,711,037.24/x
  3. Step 3: Cross multiply
    28,763,782.24x = 39,693,756.56 × 15,711,037.24
  4. Step 4: Simplify right side
    28,763,782.24x = 623,630,087,331,864.75
  5. Step 5: Solve for x
    x = 623,630,087,331,864.75/28,763,782.24
  6. Step 6: Final answer
    x = 21,681,087.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.