Home / 47,289,616.80-70,879,312.80-21,733,209.60

Finding the Fourth Proportional to 47,289,616.80, 70,879,312.80 and 21,733,209.60

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Solution

The fourth proportional to 47,289,616.80, 70,879,312.80 and 21,733,209.60 is: 32,574,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,616.80 : 70,879,312.80 = 21,733,209.60 : x
  2. Step 2: Convert to fraction form
    47,289,616.80/70,879,312.80 = 21,733,209.60/x
  3. Step 3: Cross multiply
    47,289,616.80x = 70,879,312.80 × 21,733,209.60
  4. Step 4: Simplify right side
    47,289,616.80x = 1,540,434,961,386,363
  5. Step 5: Solve for x
    x = 1,540,434,961,386,363/47,289,616.80
  6. Step 6: Final answer
    x = 32,574,486.02

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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.