Home / 5,328,079.80-7,992,702.90-5,160,118.20

Finding the Fourth Proportional to 5,328,079.80, 7,992,702.90 and 5,160,118.20

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Solution

The fourth proportional to 5,328,079.80, 7,992,702.90 and 5,160,118.20 is: 7,740,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,079.80 : 7,992,702.90 = 5,160,118.20 : x
  2. Step 2: Convert to fraction form
    5,328,079.80/7,992,702.90 = 5,160,118.20/x
  3. Step 3: Cross multiply
    5,328,079.80x = 7,992,702.90 × 5,160,118.20
  4. Step 4: Simplify right side
    5,328,079.80x = 41,243,291,701,482.78
  5. Step 5: Solve for x
    x = 41,243,291,701,482.78/5,328,079.80
  6. Step 6: Final answer
    x = 7,740,742.12

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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.