Home / 28,926,746.33-39,919,399.90-15,875,219.57

Finding the Fourth Proportional to 28,926,746.33, 39,919,399.90 and 15,875,219.57

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Solution

The fourth proportional to 28,926,746.33, 39,919,399.90 and 15,875,219.57 is: 21,908,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926,746.33 : 39,919,399.90 = 15,875,219.57 : x
  2. Step 2: Convert to fraction form
    28,926,746.33/39,919,399.90 = 15,875,219.57/x
  3. Step 3: Cross multiply
    28,926,746.33x = 39,919,399.90 × 15,875,219.57
  4. Step 4: Simplify right side
    28,926,746.33x = 633,729,238,275,851
  5. Step 5: Solve for x
    x = 633,729,238,275,851/28,926,746.33
  6. Step 6: Final answer
    x = 21,908,071.90

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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.