Home / 31,088,000.80-46,632,001.20-10,890,618.40

Finding the Fourth Proportional to 31,088,000.80, 46,632,001.20 and 10,890,618.40

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Solution

The fourth proportional to 31,088,000.80, 46,632,001.20 and 10,890,618.40 is: 16,335,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088,000.80 : 46,632,001.20 = 10,890,618.40 : x
  2. Step 2: Convert to fraction form
    31,088,000.80/46,632,001.20 = 10,890,618.40/x
  3. Step 3: Cross multiply
    31,088,000.80x = 46,632,001.20 × 10,890,618.40
  4. Step 4: Simplify right side
    31,088,000.80x = 507,851,330,297,542.12
  5. Step 5: Solve for x
    x = 507,851,330,297,542.12/31,088,000.80
  6. Step 6: Final answer
    x = 16,335,927.60

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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.