Home / 12,772,700-17,626,326.24-8,705,424.32

Finding the Fourth Proportional to 12,772,700, 17,626,326.24 and 8,705,424.32

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Solution

The fourth proportional to 12,772,700, 17,626,326.24 and 8,705,424.32 is: 12,013,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,700 : 17,626,326.24 = 8,705,424.32 : x
  2. Step 2: Convert to fraction form
    12,772,700/17,626,326.24 = 8,705,424.32/x
  3. Step 3: Cross multiply
    12,772,700x = 17,626,326.24 × 8,705,424.32
  4. Step 4: Simplify right side
    12,772,700x = 153,444,649,121,950.16
  5. Step 5: Solve for x
    x = 153,444,649,121,950.16/12,772,700
  6. Step 6: Final answer
    x = 12,013,485.73

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Double scale
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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.