Home / 13,780,810.71-20,666,807.64-4,557,069.77

Finding the Fourth Proportional to 13,780,810.71, 20,666,807.64 and 4,557,069.77

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Solution

The fourth proportional to 13,780,810.71, 20,666,807.64 and 4,557,069.77 is: 6,834,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,810.71 : 20,666,807.64 = 4,557,069.77 : x
  2. Step 2: Convert to fraction form
    13,780,810.71/20,666,807.64 = 4,557,069.77/x
  3. Step 3: Cross multiply
    13,780,810.71x = 20,666,807.64 × 4,557,069.77
  4. Step 4: Simplify right side
    13,780,810.71x = 94,180,084,235,315
  5. Step 5: Solve for x
    x = 94,180,084,235,315/13,780,810.71
  6. Step 6: Final answer
    x = 6,834,146.86

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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.