Home / 28,926,810.45-39,919,488.39-15,875,283.69

Finding the Fourth Proportional to 28,926,810.45, 39,919,488.39 and 15,875,283.69

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Solution

The fourth proportional to 28,926,810.45, 39,919,488.39 and 15,875,283.69 is: 21,908,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,810.45 : 39,919,488.39 = 15,875,283.69 : x
  2. Step 2: Convert to fraction form
    28,926,810.45/39,919,488.39 = 15,875,283.69/x
  3. Step 3: Cross multiply
    28,926,810.45x = 39,919,488.39 × 15,875,283.69
  4. Step 4: Simplify right side
    28,926,810.45x = 633,733,202,950,911.38
  5. Step 5: Solve for x
    x = 633,733,202,950,911.38/28,926,810.45
  6. Step 6: Final answer
    x = 21,908,160.39

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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.