Home / 42,557,813.40-63,845,686.80-13,801,706.76

Finding the Fourth Proportional to 42,557,813.40, 63,845,686.80 and 13,801,706.76

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Solution

The fourth proportional to 42,557,813.40, 63,845,686.80 and 13,801,706.76 is: 20,705,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557,813.40 : 63,845,686.80 = 13,801,706.76 : x
  2. Step 2: Convert to fraction form
    42,557,813.40/63,845,686.80 = 13,801,706.76/x
  3. Step 3: Cross multiply
    42,557,813.40x = 63,845,686.80 × 13,801,706.76
  4. Step 4: Simplify right side
    42,557,813.40x = 881,179,447,104,402.75
  5. Step 5: Solve for x
    x = 881,179,447,104,402.75/42,557,813.40
  6. Step 6: Final answer
    x = 20,705,468.08

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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.