Home / 13,780,811.71-20,666,809.14-4,557,070.77

Finding the Fourth Proportional to 13,780,811.71, 20,666,809.14 and 4,557,070.77

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Solution

The fourth proportional to 13,780,811.71, 20,666,809.14 and 4,557,070.77 is: 6,834,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,811.71 : 20,666,809.14 = 4,557,070.77 : x
  2. Step 2: Convert to fraction form
    13,780,811.71/20,666,809.14 = 4,557,070.77/x
  3. Step 3: Cross multiply
    13,780,811.71x = 20,666,809.14 × 4,557,070.77
  4. Step 4: Simplify right side
    13,780,811.71x = 94,180,111,841,062.83
  5. Step 5: Solve for x
    x = 94,180,111,841,062.83/13,780,811.71
  6. Step 6: Final answer
    x = 6,834,148.37

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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.