Home / 28,030,341.60-42,037,639.20-8,866,972.80

Finding the Fourth Proportional to 28,030,341.60, 42,037,639.20 and 8,866,972.80

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Solution

The fourth proportional to 28,030,341.60, 42,037,639.20 and 8,866,972.80 is: 13,297,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,341.60 : 42,037,639.20 = 8,866,972.80 : x
  2. Step 2: Convert to fraction form
    28,030,341.60/42,037,639.20 = 8,866,972.80/x
  3. Step 3: Cross multiply
    28,030,341.60x = 42,037,639.20 × 8,866,972.80
  4. Step 4: Simplify right side
    28,030,341.60x = 372,746,603,362,613.81
  5. Step 5: Solve for x
    x = 372,746,603,362,613.81/28,030,341.60
  6. Step 6: Final answer
    x = 13,297,968.63

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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.