Home / 12,298,036.60-18,447,054.90-4,210,291.90

Finding the Fourth Proportional to 12,298,036.60, 18,447,054.90 and 4,210,291.90

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Solution

The fourth proportional to 12,298,036.60, 18,447,054.90 and 4,210,291.90 is: 6,315,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,036.60 : 18,447,054.90 = 4,210,291.90 : x
  2. Step 2: Convert to fraction form
    12,298,036.60/18,447,054.90 = 4,210,291.90/x
  3. Step 3: Cross multiply
    12,298,036.60x = 18,447,054.90 × 4,210,291.90
  4. Step 4: Simplify right side
    12,298,036.60x = 77,667,485,824,325.31
  5. Step 5: Solve for x
    x = 77,667,485,824,325.31/12,298,036.60
  6. Step 6: Final answer
    x = 6,315,437.85

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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.