Home / 19,009,251.20-28,506,878.40-6,230,172.80

Finding the Fourth Proportional to 19,009,251.20, 28,506,878.40 and 6,230,172.80

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Solution

The fourth proportional to 19,009,251.20, 28,506,878.40 and 6,230,172.80 is: 9,342,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,251.20 : 28,506,878.40 = 6,230,172.80 : x
  2. Step 2: Convert to fraction form
    19,009,251.20/28,506,878.40 = 6,230,172.80/x
  3. Step 3: Cross multiply
    19,009,251.20x = 28,506,878.40 × 6,230,172.80
  4. Step 4: Simplify right side
    19,009,251.20x = 177,602,778,420,587.50
  5. Step 5: Solve for x
    x = 177,602,778,420,587.50/19,009,251.20
  6. Step 6: Final answer
    x = 9,342,965.51

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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.