Home / 25,445,297.70-38,167,946.55-20,406,449.70

Finding the Fourth Proportional to 25,445,297.70, 38,167,946.55 and 20,406,449.70

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Solution

The fourth proportional to 25,445,297.70, 38,167,946.55 and 20,406,449.70 is: 30,609,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445,297.70 : 38,167,946.55 = 20,406,449.70 : x
  2. Step 2: Convert to fraction form
    25,445,297.70/38,167,946.55 = 20,406,449.70/x
  3. Step 3: Cross multiply
    25,445,297.70x = 38,167,946.55 × 20,406,449.70
  4. Step 4: Simplify right side
    25,445,297.70x = 778,872,281,424,863.50
  5. Step 5: Solve for x
    x = 778,872,281,424,863.50/25,445,297.70
  6. Step 6: Final answer
    x = 30,609,674.55

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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.