Home / 12,303,678.40-18,458,743.20-4,730,891.20

Finding the Fourth Proportional to 12,303,678.40, 18,458,743.20 and 4,730,891.20

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Solution

The fourth proportional to 12,303,678.40, 18,458,743.20 and 4,730,891.20 is: 7,097,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,678.40 : 18,458,743.20 = 4,730,891.20 : x
  2. Step 2: Convert to fraction form
    12,303,678.40/18,458,743.20 = 4,730,891.20/x
  3. Step 3: Cross multiply
    12,303,678.40x = 18,458,743.20 × 4,730,891.20
  4. Step 4: Simplify right side
    12,303,678.40x = 87,326,305,767,939.84
  5. Step 5: Solve for x
    x = 87,326,305,767,939.84/12,303,678.40
  6. Step 6: Final answer
    x = 7,097,577.08

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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.