Home / 48,512,000.10-72,768,000.15-19,778,756.70

Finding the Fourth Proportional to 48,512,000.10, 72,768,000.15 and 19,778,756.70

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Solution

The fourth proportional to 48,512,000.10, 72,768,000.15 and 19,778,756.70 is: 29,668,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,000.10 : 72,768,000.15 = 19,778,756.70 : x
  2. Step 2: Convert to fraction form
    48,512,000.10/72,768,000.15 = 19,778,756.70/x
  3. Step 3: Cross multiply
    48,512,000.10x = 72,768,000.15 × 19,778,756.70
  4. Step 4: Simplify right side
    48,512,000.10x = 1,439,260,570,512,413.50
  5. Step 5: Solve for x
    x = 1,439,260,570,512,413.50/48,512,000.10
  6. Step 6: Final answer
    x = 29,668,135.05

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1.5x scale

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.