Home / 20,735,509.47-31,117,137.56-8,604,972.51

Finding the Fourth Proportional to 20,735,509.47, 31,117,137.56 and 8,604,972.51

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Solution

The fourth proportional to 20,735,509.47, 31,117,137.56 and 8,604,972.51 is: 12,913,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,509.47 : 31,117,137.56 = 8,604,972.51 : x
  2. Step 2: Convert to fraction form
    20,735,509.47/31,117,137.56 = 8,604,972.51/x
  3. Step 3: Cross multiply
    20,735,509.47x = 31,117,137.56 × 8,604,972.51
  4. Step 4: Simplify right side
    20,735,509.47x = 267,762,113,293,688.47
  5. Step 5: Solve for x
    x = 267,762,113,293,688.47/20,735,509.47
  6. Step 6: Final answer
    x = 12,913,216.03

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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.