Home / 13,666,806.61-18,860,696.51-7,472,265.80

Finding the Fourth Proportional to 13,666,806.61, 18,860,696.51 and 7,472,265.80

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Solution

The fourth proportional to 13,666,806.61, 18,860,696.51 and 7,472,265.80 is: 10,312,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,806.61 : 18,860,696.51 = 7,472,265.80 : x
  2. Step 2: Convert to fraction form
    13,666,806.61/18,860,696.51 = 7,472,265.80/x
  3. Step 3: Cross multiply
    13,666,806.61x = 18,860,696.51 × 7,472,265.80
  4. Step 4: Simplify right side
    13,666,806.61x = 140,932,137,364,187.53
  5. Step 5: Solve for x
    x = 140,932,137,364,187.53/13,666,806.61
  6. Step 6: Final answer
    x = 10,312,002.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.