Home / 7,920,064.62-10,929,693.65-4,298,392.62

Finding the Fourth Proportional to 7,920,064.62, 10,929,693.65 and 4,298,392.62

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Solution

The fourth proportional to 7,920,064.62, 10,929,693.65 and 4,298,392.62 is: 5,931,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,064.62 : 10,929,693.65 = 4,298,392.62 : x
  2. Step 2: Convert to fraction form
    7,920,064.62/10,929,693.65 = 4,298,392.62/x
  3. Step 3: Cross multiply
    7,920,064.62x = 10,929,693.65 × 4,298,392.62
  4. Step 4: Simplify right side
    7,920,064.62x = 46,980,114,502,528.90
  5. Step 5: Solve for x
    x = 46,980,114,502,528.90/7,920,064.62
  6. Step 6: Final answer
    x = 5,931,784.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.