Home / 12,312,091.80-16,990,390.09-6,730,090.20

Finding the Fourth Proportional to 12,312,091.80, 16,990,390.09 and 6,730,090.20

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Solution

The fourth proportional to 12,312,091.80, 16,990,390.09 and 6,730,090.20 is: 9,287,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,091.80 : 16,990,390.09 = 6,730,090.20 : x
  2. Step 2: Convert to fraction form
    12,312,091.80/16,990,390.09 = 6,730,090.20/x
  3. Step 3: Cross multiply
    12,312,091.80x = 16,990,390.09 × 6,730,090.20
  4. Step 4: Simplify right side
    12,312,091.80x = 114,346,857,838,886.12
  5. Step 5: Solve for x
    x = 114,346,857,838,886.12/12,312,091.80
  6. Step 6: Final answer
    x = 9,287,362.35

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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.