Home / 20,290,870.04-30,436,045.85-4,938,186.74

Finding the Fourth Proportional to 20,290,870.04, 30,436,045.85 and 4,938,186.74

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Solution

The fourth proportional to 20,290,870.04, 30,436,045.85 and 4,938,186.74 is: 7,407,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290,870.04 : 30,436,045.85 = 4,938,186.74 : x
  2. Step 2: Convert to fraction form
    20,290,870.04/30,436,045.85 = 4,938,186.74/x
  3. Step 3: Cross multiply
    20,290,870.04x = 30,436,045.85 × 4,938,186.74
  4. Step 4: Simplify right side
    20,290,870.04x = 150,298,877,894,667.28
  5. Step 5: Solve for x
    x = 150,298,877,894,667.28/20,290,870.04
  6. Step 6: Final answer
    x = 7,407,217.02

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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.