Home / 42,557,803.64-63,845,672.16-13,801,696.98

Finding the Fourth Proportional to 42,557,803.64, 63,845,672.16 and 13,801,696.98

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Solution

The fourth proportional to 42,557,803.64, 63,845,672.16 and 13,801,696.98 is: 20,705,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557,803.64 : 63,845,672.16 = 13,801,696.98 : x
  2. Step 2: Convert to fraction form
    42,557,803.64/63,845,672.16 = 13,801,696.98/x
  3. Step 3: Cross multiply
    42,557,803.64x = 63,845,672.16 × 13,801,696.98
  4. Step 4: Simplify right side
    42,557,803.64x = 881,178,620,636,742
  5. Step 5: Solve for x
    x = 881,178,620,636,742/42,557,803.64
  6. Step 6: Final answer
    x = 20,705,453.41

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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.