Home / 42,637,823.40-63,942,413.22-13,877,194.98

Finding the Fourth Proportional to 42,637,823.40, 63,942,413.22 and 13,877,194.98

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Solution

The fourth proportional to 42,637,823.40, 63,942,413.22 and 13,877,194.98 is: 20,811,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,637,823.40 : 63,942,413.22 = 13,877,194.98 : x
  2. Step 2: Convert to fraction form
    42,637,823.40/63,942,413.22 = 13,877,194.98/x
  3. Step 3: Cross multiply
    42,637,823.40x = 63,942,413.22 × 13,877,194.98
  4. Step 4: Simplify right side
    42,637,823.40x = 887,341,335,745,669.62
  5. Step 5: Solve for x
    x = 887,341,335,745,669.62/42,637,823.40
  6. Step 6: Final answer
    x = 20,811,131.17

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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.