Home / 28,733,166.04-39,651,758.75-15,680,424.98

Finding the Fourth Proportional to 28,733,166.04, 39,651,758.75 and 15,680,424.98

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Solution

The fourth proportional to 28,733,166.04, 39,651,758.75 and 15,680,424.98 is: 21,638,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,166.04 : 39,651,758.75 = 15,680,424.98 : x
  2. Step 2: Convert to fraction form
    28,733,166.04/39,651,758.75 = 15,680,424.98/x
  3. Step 3: Cross multiply
    28,733,166.04x = 39,651,758.75 × 15,680,424.98
  4. Step 4: Simplify right side
    28,733,166.04x = 621,756,428,326,031.38
  5. Step 5: Solve for x
    x = 621,756,428,326,031.38/28,733,166.04
  6. Step 6: Final answer
    x = 21,638,980.81

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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.